5440003401 has 64 divisors (see below), whose sum is σ = 8940552192. Its totient is φ = 2874940992.

The previous prime is 5440003397. The next prime is 5440003421. The reversal of 5440003401 is 1043000445.

It is not a de Polignac number, because 5440003401 - 2² = 5440003397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (5440003421) 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, 2137936 + ... + 2140478.

It is an arithmetic number, because the mean of its divisors is an integer number (139696128).

Almost surely, 2^5440003401 is an apocalyptic number.

It is an amenable number.

5440003401 is a deficient number, since it is larger than the sum of its proper divisors (3500548791).

5440003401 is a wasteful number, since it uses less digits than its factorization.

5440003401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2722.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 5440003401 is about 73756.3787139797. The cubic root of 5440003401 is about 1758.7322353734.

Adding to 5440003401 its reverse (1043000445), we get a palindrome (6483003846).

The spelling of 5440003401 in words is "five billion, four hundred forty million, three thousand, four hundred one".