5440878939 has 16 divisors (see below), whose sum is σ = 7282906400. Its totient is φ = 3613075200.

The previous prime is 5440878869. The next prime is 5440878941. The reversal of 5440878939 is 9398780445.

It is not a de Polignac number, because 5440878939 - 2⁷ = 5440878811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5440878959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1293039 + ... + 1297239.

It is an arithmetic number, because the mean of its divisors is an integer number (455181650).

Almost surely, 2^5440878939 is an apocalyptic number.

5440878939 is a deficient number, since it is larger than the sum of its proper divisors (1842027461).

5440878939 is a wasteful number, since it uses less digits than its factorization.

5440878939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5790.

The product of its (nonzero) digits is 8709120, while the sum is 57.

The square root of 5440878939 is about 73762.3138126781. The cubic root of 5440878939 is about 1758.8265830045.

The spelling of 5440878939 in words is "five billion, four hundred forty million, eight hundred seventy-eight thousand, nine hundred thirty-nine".