400560496 has 30 divisors (see below), whose sum is σ = 902795640. Its totient is φ = 171668448.

The previous prime is 400560467. The next prime is 400560509. The reversal of 400560496 is 694065004.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 254676 + ... + 256243.

It is an arithmetic number, because the mean of its divisors is an integer number (30093188).

Almost surely, 2^400560496 is an apocalyptic number.

It is an amenable number.

400560496 is an abundant number, since it is smaller than the sum of its proper divisors (502235144).

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

400560496 is a wasteful number, since it uses less digits than its factorization.

400560496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510941 (or 510928 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 400560496 is about 20014.0074947523. The cubic root of 400560496 is about 737.1502865952.

The spelling of 400560496 in words is "four hundred million, five hundred sixty thousand, four hundred ninety-six".