540521910 has 48 divisors (see below), whose sum is σ = 1457413776. Its totient is φ = 144138528.

The previous prime is 540521909. The next prime is 540521939. The reversal of 540521910 is 19125045.

540521910 is a `hidden beast` number, since 54 + 0 + 521 + 91 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108789 + ... + 113648.

It is an arithmetic number, because the mean of its divisors is an integer number (30362787).

Almost surely, 2^540521910 is an apocalyptic number.

540521910 is an abundant number, since it is smaller than the sum of its proper divisors (916891866).

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

540521910 is a wasteful number, since it uses less digits than its factorization.

540521910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222459 (or 222447 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 540521910 is about 23249.1270803873. The cubic root of 540521910 is about 814.5875489665.

Adding to 540521910 its reverse (19125045), we get a palindrome (559646955).

The spelling of 540521910 in words is "five hundred forty million, five hundred twenty-one thousand, nine hundred ten".