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10404521442440 = 2351092902382223
BaseRepresentation
bin1001011101100111110111…
…0011011111110010001000
31100211122212222200200211022
42113121331303133302020
52330431424442124230
634043434323252012
72122462512023246
oct227317563376210
940748788620738
1010404521442440
113351595122004
12120057121a008
135a61b043a198
1427d81d9bd796
151309a37631e5
hex9767dcdfc88

10404521442440 has 64 divisors (see below), whose sum is σ = 23626046822400. Its totient is φ = 4123434615552.

The previous prime is 10404521442391. The next prime is 10404521442449. The reversal of 10404521442440 is 4424412540401.

It is a self number, because there is not a number n which added to its sum of digits gives 10404521442440.

It is not an unprimeable number, because it can be changed into a prime (10404521442449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126499169 + ... + 126581391.

It is an arithmetic number, because the mean of its divisors is an integer number (369156981600).

Almost surely, 210404521442440 is an apocalyptic number.

10404521442440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10404521442440 is an abundant number, since it is smaller than the sum of its proper divisors (13221525379960).

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

10404521442440 is a wasteful number, since it uses less digits than its factorization.

10404521442440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111366 (or 111362 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 35.

Adding to 10404521442440 its reverse (4424412540401), we get a palindrome (14828933982841).

The spelling of 10404521442440 in words is "ten trillion, four hundred four billion, five hundred twenty-one million, four hundred forty-two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 109 218 436 545 872 1090 2180 4360 29023 58046 82223 116092 145115 164446 232184 290230 328892 411115 580460 657784 822230 1160920 1644460 3163507 3288920 6327014 8962307 12654028 15817535 17924614 25308056 31635070 35849228 44811535 63270140 71698456 89623070 126540280 179246140 358492280 2386358129 4772716258 9545432516 11931790645 19090865032 23863581290 47727162580 95454325160 260113036061 520226072122 1040452144244 1300565180305 2080904288488 2601130360610 5202260721220 10404521442440