539085402 has 64 divisors (see below), whose sum is σ = 1277164800. Its totient is φ = 167961600.

The previous prime is 539085397. The next prime is 539085451. The reversal of 539085402 is 204580935.

539085402 is a `hidden beast` number, since 539 + 0 + 85 + 40 + 2 = 666.

It is a super-2 number, since 2×539085402² = 581226141299003208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136674 + ... + 140562.

It is an arithmetic number, because the mean of its divisors is an integer number (19955700).

Almost surely, 2^539085402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 539085402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (638582400).

539085402 is an abundant number, since it is smaller than the sum of its proper divisors (738079398).

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

539085402 is a wasteful number, since it uses less digits than its factorization.

539085402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4068 (or 4062 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 539085402 is about 23218.2127219129. The cubic root of 539085402 is about 813.8652842679.

The spelling of 539085402 in words is "five hundred thirty-nine million, eighty-five thousand, four hundred two".