390040137625 has 32 divisors (see below), whose sum is σ = 499683824640. Its totient is φ = 303800515200.

The previous prime is 390040137623. The next prime is 390040137667. The reversal of 390040137625 is 526731040093.

It is a happy number.

It is not a de Polignac number, because 390040137625 - 2¹ = 390040137623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (390040137623) 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 31 ways as a sum of consecutive naturals, for example, 1566456 + ... + 1798294.

It is an arithmetic number, because the mean of its divisors is an integer number (15615119520).

Almost surely, 2^390040137625 is an apocalyptic number.

It is an amenable number.

390040137625 is a deficient number, since it is larger than the sum of its proper divisors (109643687015).

390040137625 is a wasteful number, since it uses less digits than its factorization.

390040137625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232210 (or 232200 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 390040137625 in words is "three hundred ninety billion, forty million, one hundred thirty-seven thousand, six hundred twenty-five".