400414856 has 16 divisors (see below), whose sum is σ = 769090140. Its totient is φ = 195324160.

The previous prime is 400414837. The next prime is 400414907. The reversal of 400414856 is 658414004.

It can be written as a sum of positive squares in 2 ways, for example, as 394816900 + 5597956 = 19870^2 + 2366^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610061 + ... + 610716.

Almost surely, 2^400414856 is an apocalyptic number.

It is an amenable number.

400414856 is a deficient number, since it is larger than the sum of its proper divisors (368675284).

400414856 is a wasteful number, since it uses less digits than its factorization.

400414856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220824 (or 1220820 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 400414856 is about 20010.3687122452. The cubic root of 400414856 is about 737.0609354793.

The spelling of 400414856 in words is "four hundred million, four hundred fourteen thousand, eight hundred fifty-six".