5440523401 has 4 divisors (see below), whose sum is σ = 5587564612. Its totient is φ = 5293482192.

The previous prime is 5440523377. The next prime is 5440523437. The reversal of 5440523401 is 1043250445.

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 4083337801 + 1357185600 = 63901^2 + 36840^2 .

It is a cyclic number.

It is not a de Polignac number, because 5440523401 - 2⁵ = 5440523369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5440523401.

It is not an unprimeable number, because it can be changed into a prime (5440523471) 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, 73520550 + ... + 73520623.

It is an arithmetic number, because the mean of its divisors is an integer number (1396891153).

Almost surely, 2^5440523401 is an apocalyptic number.

It is an amenable number.

5440523401 is a deficient number, since it is larger than the sum of its proper divisors (147041211).

5440523401 is a wasteful number, since it uses less digits than its factorization.

5440523401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147041210.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 5440523401 is about 73759.9037485815. The cubic root of 5440523401 is about 1758.7882715899.

Adding to 5440523401 its reverse (1043250445), we get a palindrome (6483773846).

The spelling of 5440523401 in words is "five billion, four hundred forty million, five hundred twenty-three thousand, four hundred one".