540414401 has 4 divisors (see below), whose sum is σ = 547817412. Its totient is φ = 533011392.

The previous prime is 540414389. The next prime is 540414421. The reversal of 540414401 is 104414045.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 422713600 + 117700801 = 20560^2 + 10849^2 .

It is a cyclic number.

It is not a de Polignac number, because 540414401 - 2²⁶ = 473305537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540414421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3701396 + ... + 3701541.

It is an arithmetic number, because the mean of its divisors is an integer number (136954353).

Almost surely, 2^540414401 is an apocalyptic number.

It is an amenable number.

540414401 is a deficient number, since it is larger than the sum of its proper divisors (7403011).

540414401 is an equidigital number, since it uses as much as digits as its factorization.

540414401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7403010.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 540414401 is about 23246.8148570939. The cubic root of 540414401 is about 814.5335386369.

Adding to 540414401 its reverse (104414045), we get a palindrome (644828446).

The spelling of 540414401 in words is "five hundred forty million, four hundred fourteen thousand, four hundred one".