25040244123 has 16 divisors (see below), whose sum is σ = 37134131200. Its totient is φ = 16676633160.

The previous prime is 25040244113. The next prime is 25040244133. The reversal of 25040244123 is 32144204052.

25040244123 is a `hidden beast` number, since 250 + 402 + 4 + 4 + 1 + 2 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (25040244113) and next prime (25040244133).

It is not a de Polignac number, because 25040244123 - 2⁴ = 25040244107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25040244113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 441163 + ... + 494676.

It is an arithmetic number, because the mean of its divisors is an integer number (2320883200).

Almost surely, 2^25040244123 is an apocalyptic number.

25040244123 is a deficient number, since it is larger than the sum of its proper divisors (12093887077).

25040244123 is an equidigital number, since it uses as much as digits as its factorization.

25040244123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936839 (or 936833 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 25040244123 its reverse (32144204052), we get a palindrome (57184448175).

The spelling of 25040244123 in words is "twenty-five billion, forty million, two hundred forty-four thousand, one hundred twenty-three".