539859479940 has 72 divisors (see below), whose sum is σ = 1786444103808. Its totient is φ = 130875024960.

The previous prime is 539859479927. The next prime is 539859479963. The reversal of 539859479940 is 49974958935.

539859479940 is a `hidden beast` number, since 5 + 39 + 85 + 9 + 479 + 9 + 40 = 666.

539859479940 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136326172 + ... + 136330131.

It is an arithmetic number, because the mean of its divisors is an integer number (24811723664).

Almost surely, 2^539859479940 is an apocalyptic number.

It is an amenable number.

539859479940 is an abundant number, since it is smaller than the sum of its proper divisors (1246584623868).

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

539859479940 is a wasteful number, since it uses less digits than its factorization.

539859479940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272656329 (or 272656324 counting only the distinct ones).

The product of its (nonzero) digits is 440899200, while the sum is 72.

The spelling of 539859479940 in words is "five hundred thirty-nine billion, eight hundred fifty-nine million, four hundred seventy-nine thousand, nine hundred forty".