405738838792 has 16 divisors (see below), whose sum is σ = 869440368960. Its totient is φ = 173888073744.

The previous prime is 405738838751. The next prime is 405738838829. The reversal of 405738838792 is 297838837504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3622668148 + ... + 3622668259.

It is an arithmetic number, because the mean of its divisors is an integer number (54340023060).

Almost surely, 2^405738838792 is an apocalyptic number.

It is an amenable number.

405738838792 is an abundant number, since it is smaller than the sum of its proper divisors (463701530168).

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

405738838792 is a wasteful number, since it uses less digits than its factorization.

405738838792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7245336420 (or 7245336416 counting only the distinct ones).

The product of its (nonzero) digits is 81285120, while the sum is 64.

The spelling of 405738838792 in words is "four hundred five billion, seven hundred thirty-eight million, eight hundred thirty-eight thousand, seven hundred ninety-two".