405056372 has 12 divisors (see below), whose sum is σ = 810112800. Its totient is φ = 173595576.

The previous prime is 405056363. The next prime is 405056401. The reversal of 405056372 is 273650504.

405056372 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7233122 + ... + 7233177.

It is an arithmetic number, because the mean of its divisors is an integer number (67509400).

Almost surely, 2^405056372 is an apocalyptic number.

It is an amenable number.

405056372 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

405056372 is a wasteful number, since it uses less digits than its factorization.

405056372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14466310 (or 14466308 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 405056372 is about 20126.0123223653. The cubic root of 405056372 is about 739.8979479429.

The spelling of 405056372 in words is "four hundred five million, fifty-six thousand, three hundred seventy-two".