400631207002 has 48 divisors (see below), whose sum is σ = 666153103968. Its totient is φ = 180527780160.

The previous prime is 400631206957. The next prime is 400631207027. The reversal of 400631207002 is 200702136004.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44803852 + ... + 44812792.

It is an arithmetic number, because the mean of its divisors is an integer number (13878189666).

Almost surely, 2^400631207002 is an apocalyptic number.

400631207002 is a deficient number, since it is larger than the sum of its proper divisors (265521896966).

400631207002 is a wasteful number, since it uses less digits than its factorization.

400631207002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12095 (or 12082 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The spelling of 400631207002 in words is "four hundred billion, six hundred thirty-one million, two hundred seven thousand, two".