540386494 has 4 divisors (see below), whose sum is σ = 810579744. Its totient is φ = 270193246.

The previous prime is 540386489. The next prime is 540386503. The reversal of 540386494 is 494683045.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×540386494² = 584035125795224072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 540386494.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135096622 + ... + 135096625.

It is an arithmetic number, because the mean of its divisors is an integer number (202644936).

Almost surely, 2^540386494 is an apocalyptic number.

540386494 is a deficient number, since it is larger than the sum of its proper divisors (270193250).

540386494 is a wasteful number, since it uses less digits than its factorization.

540386494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270193249.

The product of its (nonzero) digits is 414720, while the sum is 43.

The square root of 540386494 is about 23246.2146165779. The cubic root of 540386494 is about 814.5195175580.

The spelling of 540386494 in words is "five hundred forty million, three hundred eighty-six thousand, four hundred ninety-four".