400377340670 has 16 divisors (see below), whose sum is σ = 721041946128. Its totient is φ = 160070328960.

The previous prime is 400377340663. The next prime is 400377340763. The reversal of 400377340670 is 76043773004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10055051 + ... + 10094790.

It is an arithmetic number, because the mean of its divisors is an integer number (45065121633).

Almost surely, 2^400377340670 is an apocalyptic number.

400377340670 is a deficient number, since it is larger than the sum of its proper divisors (320664605458).

400377340670 is a wasteful number, since it uses less digits than its factorization.

400377340670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20151835.

The product of its (nonzero) digits is 296352, while the sum is 41.

The spelling of 400377340670 in words is "four hundred billion, three hundred seventy-seven million, three hundred forty thousand, six hundred seventy".