540542878 has 16 divisors (see below), whose sum is σ = 814769280. Its totient is φ = 268957216.

The previous prime is 540542869. The next prime is 540542887. The reversal of 540542878 is 878245045.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (540542869) and next prime (540542887).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 533100 + ... + 534112.

It is an arithmetic number, because the mean of its divisors is an integer number (50923080).

Almost surely, 2^540542878 is an apocalyptic number.

540542878 is a deficient number, since it is larger than the sum of its proper divisors (274226402).

540542878 is a wasteful number, since it uses less digits than its factorization.

540542878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051.

The product of its (nonzero) digits is 358400, while the sum is 43.

The square root of 540542878 is about 23249.5780176759. The cubic root of 540542878 is about 814.5980820276.

The spelling of 540542878 in words is "five hundred forty million, five hundred forty-two thousand, eight hundred seventy-eight".