540299520 has 108 divisors (see below), whose sum is σ = 1869419916. Its totient is φ = 144076800.

The previous prime is 540299519. The next prime is 540299531. The reversal of 540299520 is 25992045.

It is a happy number.

540299520 is a `hidden beast` number, since 5 + 40 + 2 + 99 + 520 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 376049664 + 164249856 = 19392^2 + 12816^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11931 + ... + 34970.

Almost surely, 2^540299520 is an apocalyptic number.

It is an amenable number.

540299520 is an abundant number, since it is smaller than the sum of its proper divisors (1329120396).

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

540299520 is a wasteful number, since it uses less digits than its factorization.

540299520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46928 (or 46911 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 540299520 is about 23244.3438281230. The cubic root of 540299520 is about 814.4758168474.

The spelling of 540299520 in words is "five hundred forty million, two hundred ninety-nine thousand, five hundred twenty".