540239745 has 32 divisors (see below), whose sum is σ = 887040000. Its totient is φ = 280615104.

The previous prime is 540239743. The next prime is 540239771. The reversal of 540239745 is 547932045.

It is not a de Polignac number, because 540239745 - 2¹ = 540239743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (540239743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 269256 + ... + 271254.

It is an arithmetic number, because the mean of its divisors is an integer number (27720000).

Almost surely, 2^540239745 is an apocalyptic number.

It is an amenable number.

540239745 is a deficient number, since it is larger than the sum of its proper divisors (346800255).

540239745 is a wasteful number, since it uses less digits than its factorization.

540239745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2469.

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 540239745 is about 23243.0579958834. The cubic root of 540239745 is about 814.4457797502.

The spelling of 540239745 in words is "five hundred forty million, two hundred thirty-nine thousand, seven hundred forty-five".