25019803960 has 16 divisors (see below), whose sum is σ = 56294559000. Its totient is φ = 10007921568.

The previous prime is 25019803951. The next prime is 25019803967. The reversal of 25019803960 is 6930891052.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25019803967) 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 3 ways as a sum of consecutive naturals, for example, 312747510 + ... + 312747589.

Almost surely, 2^25019803960 is an apocalyptic number.

25019803960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25019803960 is an abundant number, since it is smaller than the sum of its proper divisors (31274755040).

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

25019803960 is a wasteful number, since it uses less digits than its factorization.

25019803960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625495110 (or 625495106 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 43.

The spelling of 25019803960 in words is "twenty-five billion, nineteen million, eight hundred three thousand, nine hundred sixty".