539804540 has 24 divisors (see below), whose sum is σ = 1236643632. Its totient is φ = 196292480.

The previous prime is 539804537. The next prime is 539804569. The reversal of 539804540 is 45408935.

It is a happy number.

It is a super-2 number, since 2×539804540² = 582777882809223200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 539804494 and 539804503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1226609 + ... + 1227048.

It is an arithmetic number, because the mean of its divisors is an integer number (51526818).

Almost surely, 2^539804540 is an apocalyptic number.

It is an amenable number.

539804540 is an abundant number, since it is smaller than the sum of its proper divisors (696839092).

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

539804540 is a wasteful number, since it uses less digits than its factorization.

539804540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2453677 (or 2453675 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 539804540 is about 23233.6940670226. The cubic root of 539804540 is about 814.2270212573.

The spelling of 539804540 in words is "five hundred thirty-nine million, eight hundred four thousand, five hundred forty".