408057693772 has 12 divisors (see below), whose sum is σ = 737136479296. Its totient is φ = 197447271120.

The previous prime is 408057693739. The next prime is 408057693773. The reversal of 408057693772 is 277396750804.

It is a super-2 number, since 2×408057693772² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (408057693773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1645393803 + ... + 1645394050.

Almost surely, 2^408057693772 is an apocalyptic number.

It is an amenable number.

408057693772 is a deficient number, since it is larger than the sum of its proper divisors (329078785524).

408057693772 is a wasteful number, since it uses less digits than its factorization.

408057693772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3290787888 (or 3290787886 counting only the distinct ones).

The product of its (nonzero) digits is 17781120, while the sum is 58.

The spelling of 408057693772 in words is "four hundred eight billion, fifty-seven million, six hundred ninety-three thousand, seven hundred seventy-two".