539421577992 has 192 divisors, whose sum is σ = 1678498848000. Its totient is φ = 154777392000.

The previous prime is 539421577987. The next prime is 539421577993. The reversal of 539421577992 is 299775124935.

539421577992 is a `hidden beast` number, since 5 + 3 + 9 + 421 + 57 + 79 + 92 = 666.

It is not an unprimeable number, because it can be changed into a prime (539421577993) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32781367 + ... + 32797817.

It is an arithmetic number, because the mean of its divisors is an integer number (8742181500).

Almost surely, 2^539421577992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 539421577992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (839249424000).

539421577992 is an abundant number, since it is smaller than the sum of its proper divisors (1139077270008).

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

539421577992 is a wasteful number, since it uses less digits than its factorization.

539421577992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18672 (or 18665 counting only the distinct ones).

The product of its digits is 42865200, while the sum is 63.

The spelling of 539421577992 in words is "five hundred thirty-nine billion, four hundred twenty-one million, five hundred seventy-seven thousand, nine hundred ninety-two".