5440504401 has 28 divisors (see below), whose sum is σ = 8295345360. Its totient is φ = 3565500120.

The previous prime is 5440504379. The next prime is 5440504409. The reversal of 5440504401 is 1044050445.

It is not a de Polignac number, because 5440504401 - 2²² = 5436310097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (5440504409) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 20235 + ... + 106256.

Almost surely, 2^5440504401 is an apocalyptic number.

It is an amenable number.

5440504401 is a deficient number, since it is larger than the sum of its proper divisors (2854840959).

5440504401 is an equidigital number, since it uses as much as digits as its factorization.

5440504401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126568 (or 126553 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 5440504401 is about 73759.7749522055. The cubic root of 5440504401 is about 1758.7862241756.

Adding to 5440504401 its reverse (1044050445), we get a palindrome (6484554846).

The spelling of 5440504401 in words is "five billion, four hundred forty million, five hundred four thousand, four hundred one".