539538796044 has 96 divisors (see below), whose sum is σ = 1428964239360. Its totient is φ = 175970693376.

The previous prime is 539538796039. The next prime is 539538796073. The reversal of 539538796044 is 440697835935.

539538796044 is a `hidden beast` number, since 5 + 3 + 9 + 538 + 7 + 96 + 0 + 4 + 4 = 666.

It is a super-2 number, since 2×539538796044² (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 31 ways as a sum of consecutive naturals, for example, 21189729 + ... + 21215175.

It is an arithmetic number, because the mean of its divisors is an integer number (14885044160).

Almost surely, 2^539538796044 is an apocalyptic number.

539538796044 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 539538796044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (714482119680).

539538796044 is an abundant number, since it is smaller than the sum of its proper divisors (889425443316).

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

539538796044 is a wasteful number, since it uses less digits than its factorization.

539538796044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29684 (or 29676 counting only the distinct ones).

The product of its (nonzero) digits is 97977600, while the sum is 63.

The spelling of 539538796044 in words is "five hundred thirty-nine billion, five hundred thirty-eight million, seven hundred ninety-six thousand, forty-four".