25045495748 has 24 divisors (see below), whose sum is σ = 53944145472. Its totient is φ = 9908108064.

The previous prime is 25045495721. The next prime is 25045495751. The reversal of 25045495748 is 84759454052.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 25045495748.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34402790 + ... + 34403517.

It is an arithmetic number, because the mean of its divisors is an integer number (2247672728).

Almost surely, 2^25045495748 is an apocalyptic number.

25045495748 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25045495748 is an abundant number, since it is smaller than the sum of its proper divisors (28898649724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25045495748 is a wasteful number, since it uses less digits than its factorization.

25045495748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68806331 (or 68806329 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 53.

The spelling of 25045495748 in words is "twenty-five billion, forty-five million, four hundred ninety-five thousand, seven hundred forty-eight".