390971322970 has 16 divisors (see below), whose sum is σ = 705776480928. Its totient is φ = 155937840400.

The previous prime is 390971322947. The next prime is 390971322977. The reversal of 390971322970 is 79223179093.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (390971322977) 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, 56332456 + ... + 56339395.

It is an arithmetic number, because the mean of its divisors is an integer number (44111030058).

Almost surely, 2^390971322970 is an apocalyptic number.

390971322970 is a deficient number, since it is larger than the sum of its proper divisors (314805157958).

390971322970 is a wasteful number, since it uses less digits than its factorization.

390971322970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112672205.

The product of its (nonzero) digits is 1285956, while the sum is 52.

The spelling of 390971322970 in words is "three hundred ninety billion, nine hundred seventy-one million, three hundred twenty-two thousand, nine hundred seventy".