400152051 has 24 divisors (see below), whose sum is σ = 623133056. Its totient is φ = 245980800.

The previous prime is 400152043. The next prime is 400152059. The reversal of 400152051 is 150251004.

It is an interprime number because it is at equal distance from previous prime (400152043) and next prime (400152059).

It is not a de Polignac number, because 400152051 - 2³ = 400152043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (400152059) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 204126 + ... + 206076.

Almost surely, 2^400152051 is an apocalyptic number.

400152051 is a deficient number, since it is larger than the sum of its proper divisors (222981005).

400152051 is a wasteful number, since it uses less digits than its factorization.

400152051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3723 (or 3720 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 400152051 is about 20003.8009138264. The cubic root of 400152051 is about 736.8996480132.

The spelling of 400152051 in words is "four hundred million, one hundred fifty-two thousand, fifty-one".