540378918 has 32 divisors (see below), whose sum is σ = 1239582720. Its totient is φ = 174315240.

The previous prime is 540378911. The next prime is 540378947. The reversal of 540378918 is 819873045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540378911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159730 + ... + 163077.

It is an arithmetic number, because the mean of its divisors is an integer number (38736960).

Almost surely, 2^540378918 is an apocalyptic number.

540378918 is an abundant number, since it is smaller than the sum of its proper divisors (699203802).

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

540378918 is a wasteful number, since it uses less digits than its factorization.

540378918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322849 (or 322843 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 540378918 is about 23246.0516647451. The cubic root of 540378918 is about 814.5157111289.

The spelling of 540378918 in words is "five hundred forty million, three hundred seventy-eight thousand, nine hundred eighteen".