540102431 has 16 divisors (see below), whose sum is σ = 609544320. Its totient is φ = 474245280.

The previous prime is 540102413. The next prime is 540102457. The reversal of 540102431 is 134201045.

It is not a de Polignac number, because 540102431 - 2²² = 535908127 is a prime.

It is a super-2 number, since 2×540102431² = 583421271944219522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540192431) 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, 51800 + ... + 61346.

It is an arithmetic number, because the mean of its divisors is an integer number (38096520).

Almost surely, 2^540102431 is an apocalyptic number.

540102431 is a deficient number, since it is larger than the sum of its proper divisors (69441889).

540102431 is a wasteful number, since it uses less digits than its factorization.

540102431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9734.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 540102431 is about 23240.1039369449. The cubic root of 540102431 is about 814.3767707067.

Adding to 540102431 its reverse (134201045), we get a palindrome (674303476).

The spelling of 540102431 in words is "five hundred forty million, one hundred two thousand, four hundred thirty-one".