390490480268 has 24 divisors (see below), whose sum is σ = 802088556192. Its totient is φ = 162830006784.

The previous prime is 390490480243. The next prime is 390490480273. The reversal of 390490480268 is 862084094093.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188459621 + ... + 188461692.

It is an arithmetic number, because the mean of its divisors is an integer number (33420356508).

Almost surely, 2^390490480268 is an apocalyptic number.

It is an amenable number.

390490480268 is an abundant number, since it is smaller than the sum of its proper divisors (411598075924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

390490480268 is a wasteful number, since it uses less digits than its factorization.

390490480268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376921361 (or 376921359 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 53.

The spelling of 390490480268 in words is "three hundred ninety billion, four hundred ninety million, four hundred eighty thousand, two hundred sixty-eight".