390155382844 has 6 divisors (see below), whose sum is σ = 682771919984. Its totient is φ = 195077691420.

The previous prime is 390155382791. The next prime is 390155382847. The reversal of 390155382844 is 448283551093.

It is a junction number, because it is equal to n+sod(n) for n = 390155382791 and 390155382800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390155382847) 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 as a sum of consecutive naturals, namely, 48769422852 + ... + 48769422859.

Almost surely, 2^390155382844 is an apocalyptic number.

It is an amenable number.

390155382844 is a deficient number, since it is larger than the sum of its proper divisors (292616537140).

390155382844 is a wasteful number, since it uses less digits than its factorization.

390155382844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97538845715 (or 97538845713 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 52.

The spelling of 390155382844 in words is "three hundred ninety billion, one hundred fifty-five million, three hundred eighty-two thousand, eight hundred forty-four".