539299393920 has 768 divisors, whose sum is σ = 2299634064000. Its totient is φ = 116010123264.

The previous prime is 539299393889. The next prime is 539299393949. The reversal of 539299393920 is 29393992935.

539299393920 is a `hidden beast` number, since 53 + 92 + 99 + 393 + 9 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 33578532 + ... + 33594588.

Almost surely, 2^539299393920 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 539299393920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1149817032000).

539299393920 is an abundant number, since it is smaller than the sum of its proper divisors (1760334670080).

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

539299393920 is a wasteful number, since it uses less digits than its factorization.

539299393920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16120 (or 16091 counting only the distinct ones).

The product of its (nonzero) digits is 31886460, while the sum is 63.

The spelling of 539299393920 in words is "five hundred thirty-nine billion, two hundred ninety-nine million, three hundred ninety-three thousand, nine hundred twenty".