540404617 has 16 divisors (see below), whose sum is σ = 568995840. Its totient is φ = 512614800.

The previous prime is 540404611. The next prime is 540404621. The reversal of 540404617 is 716404045.

It is a cyclic number.

It is not a de Polignac number, because 540404617 - 2²⁷ = 406186889 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540404611) 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, 356892 + ... + 358402.

It is an arithmetic number, because the mean of its divisors is an integer number (35562240).

Almost surely, 2^540404617 is an apocalyptic number.

It is an amenable number.

540404617 is a deficient number, since it is larger than the sum of its proper divisors (28591223).

540404617 is a wasteful number, since it uses less digits than its factorization.

540404617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1764.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 540404617 is about 23246.6044187103. The cubic root of 540404617 is about 814.5286229992.

The spelling of 540404617 in words is "five hundred forty million, four hundred four thousand, six hundred seventeen".