400377936 has 40 divisors (see below), whose sum is σ = 1182069184. Its totient is φ = 114393600.

The previous prime is 400377911. The next prime is 400377941. The reversal of 400377936 is 639773004.

It is a junction number, because it is equal to n+sod(n) for n = 400377894 and 400377903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 595465 + ... + 596136.

Almost surely, 2^400377936 is an apocalyptic number.

It is an amenable number.

400377936 is an abundant number, since it is smaller than the sum of its proper divisors (781691248).

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

400377936 is a wasteful number, since it uses less digits than its factorization.

400377936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191619 (or 1191613 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 39.

The square root of 400377936 is about 20009.4461692472. The cubic root of 400377936 is about 737.0382813696.

The spelling of 400377936 in words is "four hundred million, three hundred seventy-seven thousand, nine hundred thirty-six".