400485168 has 40 divisors (see below), whose sum is σ = 1149542000. Its totient is φ = 133494912.

The previous prime is 400485149. The next prime is 400485181. The reversal of 400485168 is 861584004.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 463093 + ... + 463956.

It is an arithmetic number, because the mean of its divisors is an integer number (28738550).

Almost surely, 2^400485168 is an apocalyptic number.

400485168 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

400485168 is an abundant number, since it is smaller than the sum of its proper divisors (749056832).

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

400485168 is a wasteful number, since it uses less digits than its factorization.

400485168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927066 (or 927054 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 400485168 is about 20012.1255242915. The cubic root of 400485168 is about 737.1040750670.

The spelling of 400485168 in words is "four hundred million, four hundred eighty-five thousand, one hundred sixty-eight".