394052479480 has 64 divisors (see below), whose sum is σ = 968896637280. Its totient is φ = 143043379200.

The previous prime is 394052479453. The next prime is 394052479501. The reversal of 394052479480 is 84974250493.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 522181 + ... + 1029940.

Almost surely, 2^394052479480 is an apocalyptic number.

It is an amenable number.

394052479480 is an abundant number, since it is smaller than the sum of its proper divisors (574844157800).

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

394052479480 is a wasteful number, since it uses less digits than its factorization.

394052479480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1552720 (or 1552716 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 394052479480 in words is "three hundred ninety-four billion, fifty-two million, four hundred seventy-nine thousand, four hundred eighty".