400313408 has 28 divisors (see below), whose sum is σ = 866589072. Its totient is φ = 181960320.

The previous prime is 400313401. The next prime is 400313411. The reversal of 400313408 is 804313004.

It is not an unprimeable number, because it can be changed into a prime (400313401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283610 + ... + 285017.

Almost surely, 2^400313408 is an apocalyptic number.

It is an amenable number.

400313408 is an abundant number, since it is smaller than the sum of its proper divisors (466275664).

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

400313408 is a wasteful number, since it uses less digits than its factorization.

400313408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568650 (or 568640 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 400313408 is about 20007.8336658420. The cubic root of 400313408 is about 736.9986836486.

The spelling of 400313408 in words is "four hundred million, three hundred thirteen thousand, four hundred eight".