390123966480 has 80 divisors (see below), whose sum is σ = 1248396716544. Its totient is φ = 100677150720.

The previous prime is 390123966473. The next prime is 390123966481. The reversal of 390123966480 is 84669321093.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (390123966481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26210569 + ... + 26225448.

Almost surely, 2^390123966480 is an apocalyptic number.

390123966480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

390123966480 is an abundant number, since it is smaller than the sum of its proper divisors (858272750064).

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

390123966480 is a wasteful number, since it uses less digits than its factorization.

390123966480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52436064 (or 52436058 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 51.

The spelling of 390123966480 in words is "three hundred ninety billion, one hundred twenty-three million, nine hundred sixty-six thousand, four hundred eighty".