5440388931 has 12 divisors (see below), whose sum is σ = 7861467640. Its totient is φ = 3625482240.

The previous prime is 5440388929. The next prime is 5440388969. The reversal of 5440388931 is 1398830445.

It is not a de Polignac number, because 5440388931 - 2¹ = 5440388929 is a prime.

It is a super-2 number, since 2×5440388931² = 59195663441094645522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5440388131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96190 + ... + 141891.

Almost surely, 2^5440388931 is an apocalyptic number.

5440388931 is a deficient number, since it is larger than the sum of its proper divisors (2421078709).

5440388931 is a wasteful number, since it uses less digits than its factorization.

5440388931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240626 (or 240623 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 5440388931 is about 73758.9922043408. The cubic root of 5440388931 is about 1758.7737811821.

The spelling of 5440388931 in words is "five billion, four hundred forty million, three hundred eighty-eight thousand, nine hundred thirty-one".