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1022440124240 = 24517751794209
BaseRepresentation
bin11101110000011100010…
…11100010111101010000
310121202002121110211220122
432320032023202331100
5113222424132433430
62101411424125412
7133604006442533
oct16701613427520
93552077424818
101022440124240
11364683882417
121461a5166868
137555336a372
14376b4834a1a
151b8e1831ee5
hexee0e2e2f50

1022440124240 has 40 divisors (see below), whose sum is σ = 2517007015080. Its totient is φ = 384918634496.

The previous prime is 1022440124207. The next prime is 1022440124243. The reversal of 1022440124240 is 424210442201.

It is a happy number.

1022440124240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 349370837776 + 673069286464 = 591076^2 + 820408^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022440124243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375895745 + ... + 375898464.

It is an arithmetic number, because the mean of its divisors is an integer number (62925175377).

Almost surely, 21022440124240 is an apocalyptic number.

1022440124240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022440124240 is an abundant number, since it is smaller than the sum of its proper divisors (1494566890840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1022440124240 is a wasteful number, since it uses less digits than its factorization.

1022440124240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751794239 (or 751794233 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 1022440124240 its reverse (424210442201), we get a palindrome (1446650566441).

The spelling of 1022440124240 in words is "one trillion, twenty-two billion, four hundred forty million, one hundred twenty-four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 17 20 34 40 68 80 85 136 170 272 340 680 1360 751794209 1503588418 3007176836 3758971045 6014353672 7517942090 12028707344 12780501553 15035884180 25561003106 30071768360 51122006212 60143536720 63902507765 102244012424 127805015530 204488024848 255610031060 511220062120 1022440124240