540879394 has 16 divisors (see below), whose sum is σ = 908997696. Its totient is φ = 239209200.

The previous prime is 540879389. The next prime is 540879397. The reversal of 540879394 is 493978045.

It is not an unprimeable number, because it can be changed into a prime (540879397) by changing a digit.

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, 331422 + ... + 333049.

It is an arithmetic number, because the mean of its divisors is an integer number (56812356).

Almost surely, 2^540879394 is an apocalyptic number.

540879394 is a deficient number, since it is larger than the sum of its proper divisors (368118302).

540879394 is a wasteful number, since it uses less digits than its factorization.

540879394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664521.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 540879394 is about 23256.8139262454. The cubic root of 540879394 is about 814.7670901571.

The spelling of 540879394 in words is "five hundred forty million, eight hundred seventy-nine thousand, three hundred ninety-four".