390329361620 has 24 divisors (see below), whose sum is σ = 894209083488. Its totient is φ = 141937949600.

The previous prime is 390329361547. The next prime is 390329361623. The reversal of 390329361620 is 26163923093.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390329361623) 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 7 ways as a sum of consecutive naturals, for example, 887111966 + ... + 887112405.

It is an arithmetic number, because the mean of its divisors is an integer number (37258711812).

Almost surely, 2^390329361620 is an apocalyptic number.

It is an amenable number.

390329361620 is an abundant number, since it is smaller than the sum of its proper divisors (503879721868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

390329361620 is a wasteful number, since it uses less digits than its factorization.

390329361620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774224391 (or 1774224389 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 44.

The spelling of 390329361620 in words is "three hundred ninety billion, three hundred twenty-nine million, three hundred sixty-one thousand, six hundred twenty".