400379056 has 40 divisors (see below), whose sum is σ = 967152384. Its totient is φ = 155991360.

The previous prime is 400379047. The next prime is 400379107. The reversal of 400379056 is 650973004.

It is a super-2 number, since 2×400379056² = 320606776966902272, which contains 22 as substring.

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, 161260 + ... + 163723.

Almost surely, 2^400379056 is an apocalyptic number.

It is an amenable number.

400379056 is an abundant number, since it is smaller than the sum of its proper divisors (566773328).

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

400379056 is a wasteful number, since it uses less digits than its factorization.

400379056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325009 (or 325003 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 400379056 is about 20009.4741560092. The cubic root of 400379056 is about 737.0389686221.

It can be divided in two parts, 400 and 379056, that added together give a square (379456 = 616²).

The spelling of 400379056 in words is "four hundred million, three hundred seventy-nine thousand, fifty-six".