398581079480 has 32 divisors (see below), whose sum is σ = 908159428800. Its totient is φ = 157414298496.

The previous prime is 398581079371. The next prime is 398581079521. The reversal of 398581079480 is 84970185893.

It is a congruent number.

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, 63063467 + ... + 63069786.

It is an arithmetic number, because the mean of its divisors is an integer number (28379982150).

Almost surely, 2^398581079480 is an apocalyptic number.

It is an amenable number.

398581079480 is an abundant number, since it is smaller than the sum of its proper divisors (509578349320).

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

398581079480 is a wasteful number, since it uses less digits than its factorization.

398581079480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126133343 (or 126133339 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 62.

The spelling of 398581079480 in words is "three hundred ninety-eight billion, five hundred eighty-one million, seventy-nine thousand, four hundred eighty".