400407002 has 32 divisors (see below), whose sum is σ = 632016000. Its totient is φ = 190008000.

The previous prime is 400406987. The next prime is 400407011. The reversal of 400407002 is 200704004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1147124 + ... + 1147472.

It is an arithmetic number, because the mean of its divisors is an integer number (19750500).

Almost surely, 2^400407002 is an apocalyptic number.

400407002 is a deficient number, since it is larger than the sum of its proper divisors (231608998).

400407002 is a wasteful number, since it uses less digits than its factorization.

400407002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662.

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 400407002 is about 20010.1724630249. The cubic root of 400407002 is about 737.0561163820.

The spelling of 400407002 in words is "four hundred million, four hundred seven thousand, two".