400250564 has 12 divisors (see below), whose sum is σ = 800501184. Its totient is φ = 171535944.

The previous prime is 400250537. The next prime is 400250573. The reversal of 400250564 is 465052004.

400250564 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7147304 + ... + 7147359.

It is an arithmetic number, because the mean of its divisors is an integer number (66708432).

Almost surely, 2^400250564 is an apocalyptic number.

It is an amenable number.

400250564 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.

400250564 is a wasteful number, since it uses less digits than its factorization.

400250564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14294674 (or 14294672 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 400250564 is about 20006.2631193334. The cubic root of 400250564 is about 736.9601152268.

The spelling of 400250564 in words is "four hundred million, two hundred fifty thousand, five hundred sixty-four".