400152024 has 48 divisors (see below), whose sum is σ = 1099023120. Its totient is φ = 131503680.

The previous prime is 400152017. The next prime is 400152041. The reversal of 400152024 is 420251004.

It is a super-2 number, since 2×400152024² = 320243284622593152, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 400151988 and 400152006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34027 + ... + 44250.

It is an arithmetic number, because the mean of its divisors is an integer number (22896315).

Almost surely, 2^400152024 is an apocalyptic number.

It is an amenable number.

400152024 is an abundant number, since it is smaller than the sum of its proper divisors (698871096).

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

400152024 is a wasteful number, since it uses less digits than its factorization.

400152024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78360 (or 78353 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 400152024 is about 20003.8002389546. The cubic root of 400152024 is about 736.8996314393.

The spelling of 400152024 in words is "four hundred million, one hundred fifty-two thousand, twenty-four".