539991760 has 160 divisors (see below), whose sum is σ = 1598112000. Its totient is φ = 168215040.

The previous prime is 539991737. The next prime is 539991839. The reversal of 539991760 is 67199935.

It is a super-2 number, since 2×539991760² = 583182201735795200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

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, 300946 + ... + 302734.

It is an arithmetic number, because the mean of its divisors is an integer number (9988200).

Almost surely, 2^539991760 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 539991760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (799056000).

539991760 is an abundant number, since it is smaller than the sum of its proper divisors (1058120240).

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

539991760 is a wasteful number, since it uses less digits than its factorization.

539991760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1834 (or 1814 counting only the distinct ones).

The product of its (nonzero) digits is 459270, while the sum is 49.

The square root of 539991760 is about 23237.7227799972. The cubic root of 539991760 is about 814.3211429572.

It can be divided in two parts, 539 and 991760, that added together give a palindrome (992299).

The spelling of 539991760 in words is "five hundred thirty-nine million, nine hundred ninety-one thousand, seven hundred sixty".