400792055 has 8 divisors (see below), whose sum is σ = 485620512. Its totient is φ = 317520288.

The previous prime is 400792039. The next prime is 400792079. The reversal of 400792055 is 550297004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 400792055 - 2⁴ = 400792039 is a prime.

It is a super-2 number, since 2×400792055² = 321268542702246050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388604 + ... + 389633.

It is an arithmetic number, because the mean of its divisors is an integer number (60702564).

Almost surely, 2^400792055 is an apocalyptic number.

400792055 is a deficient number, since it is larger than the sum of its proper divisors (84828457).

400792055 is a wasteful number, since it uses less digits than its factorization.

400792055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778345.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 400792055 is about 20019.7915823317. The cubic root of 400792055 is about 737.2923050114.

The spelling of 400792055 in words is "four hundred million, seven hundred ninety-two thousand, fifty-five".