404016640536 has 32 divisors (see below), whose sum is σ = 1042623590400. Its totient is φ = 130327948320.

The previous prime is 404016640519. The next prime is 404016640537. The reversal of 404016640536 is 635046610404.

It is a junction number, because it is equal to n+sod(n) for n = 404016640494 and 404016640503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404016640537) 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, 271515816 + ... + 271517303.

It is an arithmetic number, because the mean of its divisors is an integer number (32581987200).

Almost surely, 2^404016640536 is an apocalyptic number.

It is an amenable number.

404016640536 is an abundant number, since it is smaller than the sum of its proper divisors (638606949864).

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

404016640536 is a wasteful number, since it uses less digits than its factorization.

404016640536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543033159 (or 543033155 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 404016640536 in words is "four hundred four billion, sixteen million, six hundred forty thousand, five hundred thirty-six".