400231076 has 12 divisors (see below), whose sum is σ = 800462208. Its totient is φ = 171527592.

The previous prime is 400231019. The next prime is 400231093. The reversal of 400231076 is 670132004.

400231076 is an admirable number.

It is a super-2 number, since 2×400231076² = 320369828392235552, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7146956 + ... + 7147011.

It is an arithmetic number, because the mean of its divisors is an integer number (66705184).

Almost surely, 2^400231076 is an apocalyptic number.

It is an amenable number.

400231076 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.

400231076 is a wasteful number, since it uses less digits than its factorization.

400231076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14293978 (or 14293976 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 400231076 is about 20005.7760659266. The cubic root of 400231076 is about 736.9481542927.

The spelling of 400231076 in words is "four hundred million, two hundred thirty-one thousand, seventy-six".