407979550494 has 20 divisors (see below), whose sum is σ = 914176400544. Its totient is φ = 135993183444.

The previous prime is 407979550487. The next prime is 407979550529. The reversal of 407979550494 is 494055979704.

407979550494 is a `hidden beast` number, since 4 + 0 + 7 + 9 + 7 + 95 + 50 + 494 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1259195982 + ... + 1259196305.

Almost surely, 2^407979550494 is an apocalyptic number.

407979550494 is an abundant number, since it is smaller than the sum of its proper divisors (506196850050).

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

407979550494 is a wasteful number, since it uses less digits than its factorization.

407979550494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2518392301 (or 2518392292 counting only the distinct ones).

The product of its (nonzero) digits is 57153600, while the sum is 63.

The spelling of 407979550494 in words is "four hundred seven billion, nine hundred seventy-nine million, five hundred fifty thousand, four hundred ninety-four".