390965022243 has 8 divisors (see below), whose sum is σ = 579207440400. Its totient is φ = 260643348144.

The previous prime is 390965022233. The next prime is 390965022271. The reversal of 390965022243 is 342220569093.

390965022243 is a `hidden beast` number, since 39 + 0 + 96 + 502 + 2 + 24 + 3 = 666.

It is not a de Polignac number, because 390965022243 - 2²⁰ = 390963973667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (390965022233) 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, 7240092978 + ... + 7240093031.

It is an arithmetic number, because the mean of its divisors is an integer number (72400930050).

Almost surely, 2^390965022243 is an apocalyptic number.

390965022243 is a deficient number, since it is larger than the sum of its proper divisors (188242418157).

390965022243 is a wasteful number, since it uses less digits than its factorization.

390965022243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14480186018 (or 14480186012 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 45.

The spelling of 390965022243 in words is "three hundred ninety billion, nine hundred sixty-five million, twenty-two thousand, two hundred forty-three".