5440637925 has 72 divisors (see below), whose sum is σ = 10766793024. Its totient is φ = 2612206080.

The previous prime is 5440637869. The next prime is 5440637941. The reversal of 5440637925 is 5297360445.

5440637925 is a `hidden beast` number, since 5 + 4 + 4 + 0 + 637 + 9 + 2 + 5 = 666.

It is not a de Polignac number, because 5440637925 - 2⁶ = 5440637861 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 57054 + ... + 118896.

It is an arithmetic number, because the mean of its divisors is an integer number (149538792).

Almost surely, 2^5440637925 is an apocalyptic number.

It is an amenable number.

5440637925 is a deficient number, since it is larger than the sum of its proper divisors (5326155099).

5440637925 is a wasteful number, since it uses less digits than its factorization.

5440637925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61899 (or 61891 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The square root of 5440637925 is about 73760.6800741425. The cubic root of 5440637925 is about 1758.8006124402.

The spelling of 5440637925 in words is "five billion, four hundred forty million, six hundred thirty-seven thousand, nine hundred twenty-five".