390079909226 has 24 divisors (see below), whose sum is σ = 680759662176. Its totient is φ = 167150080440.

The previous prime is 390079909223. The next prime is 390079909243. The reversal of 390079909226 is 622909970093.

It is not an unprimeable number, because it can be changed into a prime (390079909223) 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 11 ways as a sum of consecutive naturals, for example, 293621 + ... + 930791.

It is an arithmetic number, because the mean of its divisors is an integer number (28364985924).

Almost surely, 2^390079909226 is an apocalyptic number.

390079909226 is a deficient number, since it is larger than the sum of its proper divisors (290679752950).

390079909226 is a wasteful number, since it uses less digits than its factorization.

390079909226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643434 (or 643427 counting only the distinct ones).

The product of its (nonzero) digits is 3306744, while the sum is 56.

The spelling of 390079909226 in words is "three hundred ninety billion, seventy-nine million, nine hundred nine thousand, two hundred twenty-six".