540515028 has 48 divisors (see below), whose sum is σ = 1273043520. Its totient is φ = 178489344.

The previous prime is 540514987. The next prime is 540515029. The reversal of 540515028 is 820515045.

It is a junction number, because it is equal to n+sod(n) for n = 540514986 and 540515004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540515029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 970126 + ... + 970682.

It is an arithmetic number, because the mean of its divisors is an integer number (26521740).

Almost surely, 2^540515028 is an apocalyptic number.

It is an amenable number.

540515028 is an abundant number, since it is smaller than the sum of its proper divisors (732528492).

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

540515028 is a wasteful number, since it uses less digits than its factorization.

540515028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176 (or 1174 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

The square root of 540515028 is about 23248.9790743594. The cubic root of 540515028 is about 814.5840918046.

The spelling of 540515028 in words is "five hundred forty million, five hundred fifteen thousand, twenty-eight".