400892080 has 20 divisors (see below), whose sum is σ = 932074272. Its totient is φ = 160356800.

The previous prime is 400892071. The next prime is 400892101. The reversal of 400892080 is 80298004.

It is a tau number, because it is divible by the number of its divisors (20).

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, 2505496 + ... + 2505655.

Almost surely, 2^400892080 is an apocalyptic number.

400892080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

400892080 is an abundant number, since it is smaller than the sum of its proper divisors (531182192).

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

400892080 is a wasteful number, since it uses less digits than its factorization.

400892080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5011164 (or 5011158 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 400892080 is about 20022.2895793663. The cubic root of 400892080 is about 737.3536348438.

The spelling of 400892080 in words is "four hundred million, eight hundred ninety-two thousand, eighty".