540478540 has 24 divisors (see below), whose sum is σ = 1297148832. Its totient is φ = 185306880.

The previous prime is 540478531. The next prime is 540478591. The reversal of 540478540 is 45874045.

It is a self number, because there is not a number n which added to its sum of digits gives 540478540.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1930141 + ... + 1930420.

It is an arithmetic number, because the mean of its divisors is an integer number (54047868).

Almost surely, 2^540478540 is an apocalyptic number.

It is an amenable number.

540478540 is an abundant number, since it is smaller than the sum of its proper divisors (756670292).

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

540478540 is a wasteful number, since it uses less digits than its factorization.

540478540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3860577 (or 3860575 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 37.

The square root of 540478540 is about 23248.1943384857. The cubic root of 540478540 is about 814.5657616247.

The spelling of 540478540 in words is "five hundred forty million, four hundred seventy-eight thousand, five hundred forty".