5440042625 has 8 divisors (see below), whose sum is σ = 6789173352. Its totient is φ = 4352034000.

The previous prime is 5440042613. The next prime is 5440042637. The reversal of 5440042625 is 5262400445.

It is an interprime number because it is at equal distance from previous prime (5440042613) and next prime (5440042637).

It can be written as a sum of positive squares in 4 ways, for example, as 1306967104 + 4133075521 = 36152^2 + 64289^2 .

It is not a de Polignac number, because 5440042625 - 2⁸ = 5440042369 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5440042591 and 5440042600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21760046 + ... + 21760295.

It is an arithmetic number, because the mean of its divisors is an integer number (848646669).

Almost surely, 2^5440042625 is an apocalyptic number.

It is an amenable number.

5440042625 is a deficient number, since it is larger than the sum of its proper divisors (1349130727).

5440042625 is an equidigital number, since it uses as much as digits as its factorization.

5440042625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43520356 (or 43520346 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 5440042625 is about 73756.6446159260. The cubic root of 5440042625 is about 1758.7364623529.

The spelling of 5440042625 in words is "five billion, four hundred forty million, forty-two thousand, six hundred twenty-five".