400574322 has 24 divisors (see below), whose sum is σ = 900056976. Its totient is φ = 133524612.

The previous prime is 400574309. The next prime is 400574323. The reversal of 400574322 is 223475004.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (400574323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 411628 + ... + 412599.

It is an arithmetic number, because the mean of its divisors is an integer number (37502374).

Almost surely, 2^400574322 is an apocalyptic number.

400574322 is an abundant number, since it is smaller than the sum of its proper divisors (499482654).

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

400574322 is an equidigital number, since it uses as much as digits as its factorization.

400574322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824244 (or 824232 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 400574322 is about 20014.3528998566. The cubic root of 400574322 is about 737.1587678131.

The spelling of 400574322 in words is "four hundred million, five hundred seventy-four thousand, three hundred twenty-two".