390353340676 has 48 divisors (see below), whose sum is σ = 740242419840. Its totient is φ = 179045717760.

The previous prime is 390353340659. The next prime is 390353340679. The reversal of 390353340676 is 676043353093.

It is a super-2 number, since 2×390353340676² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (390353340679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5502705 + ... + 5573191.

It is an arithmetic number, because the mean of its divisors is an integer number (15421717080).

Almost surely, 2^390353340676 is an apocalyptic number.

It is an amenable number.

390353340676 is a deficient number, since it is larger than the sum of its proper divisors (349889079164).

390353340676 is a wasteful number, since it uses less digits than its factorization.

390353340676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71164 (or 71162 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 49.

The spelling of 390353340676 in words is "three hundred ninety billion, three hundred fifty-three million, three hundred forty thousand, six hundred seventy-six".