544340504400520 has 16 divisors (see below), whose sum is σ = 1224766134901260. Its totient is φ = 217736201760192.

The previous prime is 544340504400493. The next prime is 544340504400527. The reversal of 544340504400520 is 25004405043445.

It can be written as a sum of positive squares in 2 ways, for example, as 541940427988996 + 2400076411524 = 23279614^2 + 1549218^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 13608512610013 = 544340504400520 / (5 + 4 + 4 + 3 + 4 + 0 + 5 + 0 + 4 + 4 + 0 + 0 + 5 + 2 + 0).

It is not an unprimeable number, because it can be changed into a prime (544340504400527) 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, 6804256304967 + ... + 6804256305046.

Almost surely, 2^{544340504400520} is an apocalyptic number.

It is an amenable number.

544340504400520 is an abundant number, since it is smaller than the sum of its proper divisors (680425630500740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

544340504400520 is a wasteful number, since it uses less digits than its factorization.

544340504400520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13608512610024 (or 13608512610020 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 40.

Adding to 544340504400520 its reverse (25004405043445), we get a palindrome (569344909443965).

The spelling of 544340504400520 in words is "five hundred forty-four trillion, three hundred forty billion, five hundred four million, four hundred thousand, five hundred twenty".