540434433 has 64 divisors (see below), whose sum is σ = 921231360. Its totient is φ = 273715200.

The previous prime is 540434417. The next prime is 540434443. The reversal of 540434433 is 334434045.

It is not a de Polignac number, because 540434433 - 2⁴ = 540434417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 540434433.

It is not an unprimeable number, because it can be changed into a prime (540434443) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1994088 + ... + 1994358.

It is an arithmetic number, because the mean of its divisors is an integer number (14394240).

Almost surely, 2^540434433 is an apocalyptic number.

It is an amenable number.

540434433 is a deficient number, since it is larger than the sum of its proper divisors (380796927).

540434433 is a wasteful number, since it uses less digits than its factorization.

540434433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478.

The product of its (nonzero) digits is 34560, while the sum is 30.

The square root of 540434433 is about 23247.2457078253. The cubic root of 540434433 is about 814.5436028482.

Adding to 540434433 its reverse (334434045), we get a palindrome (874868478).

The spelling of 540434433 in words is "five hundred forty million, four hundred thirty-four thousand, four hundred thirty-three".