390252516277 has 8 divisors (see below), whose sum is σ = 420555354464. Its totient is φ = 359990165808.

The previous prime is 390252516253. The next prime is 390252516331. The reversal of 390252516277 is 772615252093.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 390252516277 - 2⁷ = 390252516149 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 390252516277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390252526277) 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, 10101903 + ... + 10140460.

It is an arithmetic number, because the mean of its divisors is an integer number (52569419308).

Almost surely, 2^390252516277 is an apocalyptic number.

It is an amenable number.

390252516277 is a deficient number, since it is larger than the sum of its proper divisors (30302838187).

390252516277 is a wasteful number, since it uses less digits than its factorization.

390252516277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20243859.

The product of its (nonzero) digits is 1587600, while the sum is 49.

The spelling of 390252516277 in words is "three hundred ninety billion, two hundred fifty-two million, five hundred sixteen thousand, two hundred seventy-seven".