540402269 has 8 divisors (see below), whose sum is σ = 609858720. Its totient is φ = 474334000.

The previous prime is 540402251. The next prime is 540402337. The reversal of 540402269 is 962204045.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540402269 is a prime.

It is a super-2 number, since 2×540402269² = 584069224680696722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540402209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 846707 + ... + 847344.

It is an arithmetic number, because the mean of its divisors is an integer number (76232340).

Almost surely, 2^540402269 is an apocalyptic number.

It is an amenable number.

540402269 is a deficient number, since it is larger than the sum of its proper divisors (69456451).

540402269 is a wasteful number, since it uses less digits than its factorization.

540402269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694091.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 540402269 is about 23246.5539166561. The cubic root of 540402269 is about 814.5274433177.

The spelling of 540402269 in words is "five hundred forty million, four hundred two thousand, two hundred sixty-nine".