400455316 has 24 divisors (see below), whose sum is σ = 726243840. Its totient is φ = 192981600.

The previous prime is 400455283. The next prime is 400455337. The reversal of 400455316 is 613554004.

It is a super-2 number, since 2×400455316² = 320728920225319712, which contains 22 as substring.

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, 70461 + ... + 75931.

It is an arithmetic number, because the mean of its divisors is an integer number (30260160).

Almost surely, 2^400455316 is an apocalyptic number.

It is an amenable number.

400455316 is a deficient number, since it is larger than the sum of its proper divisors (325788524).

400455316 is a wasteful number, since it uses less digits than its factorization.

400455316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6135 (or 6133 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 400455316 is about 20011.3796625820. The cubic root of 400455316 is about 737.0857601335.

The spelling of 400455316 in words is "four hundred million, four hundred fifty-five thousand, three hundred sixteen".