404649898560 has 168 divisors, whose sum is σ = 1443376474176. Its totient is φ = 107906618880.

The previous prime is 404649898537. The next prime is 404649898567. The reversal of 404649898560 is 65898946404.

404649898560 is a `hidden beast` number, since 4 + 0 + 4 + 6 + 498 + 9 + 85 + 60 = 666.

It is not an unprimeable number, because it can be changed into a prime (404649898567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2524156 + ... + 2679675.

It is an arithmetic number, because the mean of its divisors is an integer number (8591526632).

Almost surely, 2^404649898560 is an apocalyptic number.

404649898560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

404649898560 is an abundant number, since it is smaller than the sum of its proper divisors (1038726575616).

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

404649898560 is an equidigital number, since it uses as much as digits as its factorization.

404649898560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5203863 (or 5203841 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 63.

The spelling of 404649898560 in words is "four hundred four billion, six hundred forty-nine million, eight hundred ninety-eight thousand, five hundred sixty".