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2440220542120 = 23587769561589
BaseRepresentation
bin100011100000101000011…
…110101000010010101000
322122021122011110110101001
4203200220132220102220
5304440032424321440
65105004415004344
7341204640241564
oct43405036502250
98567564413331
102440220542120
11860989974839
12334b20b096b4
1314915b85235a
148617062c6a4
1543720923b9a
hex238287a84a8

2440220542120 has 32 divisors (see below), whose sum is σ = 5496756841800. Its totient is φ = 974975217408.

The previous prime is 2440220542103. The next prime is 2440220542187. The reversal of 2440220542120 is 212450220442.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1610711263044 + 829509279076 = 1269138^2 + 910774^2 .

It is a super-4 number, since 4×24402205421204 (a number of 51 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34745715 + ... + 34815874.

Almost surely, 22440220542120 is an apocalyptic number.

2440220542120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2440220542120 is an abundant number, since it is smaller than the sum of its proper divisors (3056536299680).

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

2440220542120 is a wasteful number, since it uses less digits than its factorization.

2440220542120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69562477 (or 69562473 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

Adding to 2440220542120 its reverse (212450220442), we get a palindrome (2652670762562).

The spelling of 2440220542120 in words is "two trillion, four hundred forty billion, two hundred twenty million, five hundred forty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 877 1754 3508 4385 7016 8770 17540 35080 69561589 139123178 278246356 347807945 556492712 695615890 1391231780 2782463560 61005513553 122011027106 244022054212 305027567765 488044108424 610055135530 1220110271060 2440220542120