539072561322 has 48 divisors (see below), whose sum is σ = 1276589313792. Its totient is φ = 163665290880.

The previous prime is 539072561317. The next prime is 539072561383. The reversal of 539072561322 is 223165270935.

539072561322 is a `hidden beast` number, since 5 + 3 + 9 + 0 + 7 + 2 + 5 + 613 + 22 = 666.

It is a super-2 number, since 2×539072561322² (a number of 24 digits) contains 22 as substring.

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, 28404628 + ... + 28423599.

It is an arithmetic number, because the mean of its divisors is an integer number (26595610704).

Almost surely, 2^539072561322 is an apocalyptic number.

539072561322 is an abundant number, since it is smaller than the sum of its proper divisors (737516752470).

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

539072561322 is a wasteful number, since it uses less digits than its factorization.

539072561322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56828283 (or 56828280 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The spelling of 539072561322 in words is "five hundred thirty-nine billion, seventy-two million, five hundred sixty-one thousand, three hundred twenty-two".