400413776 has 40 divisors (see below), whose sum is σ = 887711040. Its totient is φ = 171396864.

The previous prime is 400413773. The next prime is 400413779. The reversal of 400413776 is 677314004.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (400413773) and next prime (400413779).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400413773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121235 + ... + 124493.

It is an arithmetic number, because the mean of its divisors is an integer number (22192776).

Almost surely, 2^400413776 is an apocalyptic number.

It is an amenable number.

400413776 is an abundant number, since it is smaller than the sum of its proper divisors (487297264).

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

400413776 is a wasteful number, since it uses less digits than its factorization.

400413776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4371 (or 4365 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 400413776 is about 20010.3417262175. The cubic root of 400413776 is about 737.0602728111.

The spelling of 400413776 in words is "four hundred million, four hundred thirteen thousand, seven hundred seventy-six".