400675512 has 32 divisors (see below), whose sum is σ = 1002289680. Its totient is φ = 133478400.

The previous prime is 400675501. The next prime is 400675519. The reversal of 400675512 is 215576004.

It is a self number, because there is not a number n which added to its sum of digits gives 400675512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400675519) 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, 46762 + ... + 54662.

Almost surely, 2^400675512 is an apocalyptic number.

It is an amenable number.

400675512 is an abundant number, since it is smaller than the sum of its proper divisors (601614168).

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

400675512 is a wasteful number, since it uses less digits than its factorization.

400675512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10023 (or 10019 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 400675512 is about 20016.8806760694. The cubic root of 400675512 is about 737.2208343773.

The spelling of 400675512 in words is "four hundred million, six hundred seventy-five thousand, five hundred twelve".