540068868 has 72 divisors (see below), whose sum is σ = 1393619136. Its totient is φ = 176299200.

The previous prime is 540068857. The next prime is 540068891. The reversal of 540068868 is 868860045.

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, 726505 + ... + 727247.

Almost surely, 2^540068868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 540068868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (696809568).

540068868 is an abundant number, since it is smaller than the sum of its proper divisors (853550268).

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

540068868 is a wasteful number, since it uses less digits than its factorization.

540068868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145 (or 1140 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The square root of 540068868 is about 23239.3818334309. The cubic root of 540068868 is about 814.3599013796.

The spelling of 540068868 in words is "five hundred forty million, sixty-eight thousand, eight hundred sixty-eight".