539996720 has 40 divisors (see below), whose sum is σ = 1321574640. Its totient is φ = 204629760.

The previous prime is 539996683. The next prime is 539996741. The reversal of 539996720 is 27699935.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×539996720² = 583192915221516800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176111 + ... + 179150.

It is an arithmetic number, because the mean of its divisors is an integer number (33039366).

Almost surely, 2^539996720 is an apocalyptic number.

It is an amenable number.

539996720 is an abundant number, since it is smaller than the sum of its proper divisors (781577920).

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

539996720 is a wasteful number, since it uses less digits than its factorization.

539996720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355293 (or 355287 counting only the distinct ones).

The product of its (nonzero) digits is 918540, while the sum is 50.

The square root of 539996720 is about 23237.8295027741. The cubic root of 539996720 is about 814.3236362178.

The spelling of 539996720 in words is "five hundred thirty-nine million, nine hundred ninety-six thousand, seven hundred twenty".