25381741504 has 56 divisors (see below), whose sum is σ = 57613344768. Its totient is φ = 10868217600.

The previous prime is 25381741487. The next prime is 25381741513. The reversal of 25381741504 is 40514718352.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

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, 491037 + ... + 540259.

It is an arithmetic number, because the mean of its divisors is an integer number (1028809728).

Almost surely, 2^25381741504 is an apocalyptic number.

It is an amenable number.

25381741504 is an abundant number, since it is smaller than the sum of its proper divisors (32231603264).

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

25381741504 is a wasteful number, since it uses less digits than its factorization.

25381741504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50393 (or 50383 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The spelling of 25381741504 in words is "twenty-five billion, three hundred eighty-one million, seven hundred forty-one thousand, five hundred four".