25380239129748 has 144 divisors (see below), whose sum is σ = 65391782077440. Its totient is φ = 8297743603968.

The previous prime is 25380239129743. The next prime is 25380239129761. The reversal of 25380239129748 is 84792193208352.

25380239129748 is a `hidden beast` number, since 2 + 5 + 380 + 239 + 12 + 9 + 7 + 4 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25380239129743) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1794537165 + ... + 1794551307.

It is an arithmetic number, because the mean of its divisors is an integer number (454109597760).

Almost surely, 2^{25380239129748} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25380239129748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32695891038720).

25380239129748 is an abundant number, since it is smaller than the sum of its proper divisors (40011542947692).

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

25380239129748 is a wasteful number, since it uses less digits than its factorization.

25380239129748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16078 (or 16073 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 63.

The spelling of 25380239129748 in words is "twenty-five trillion, three hundred eighty billion, two hundred thirty-nine million, one hundred twenty-nine thousand, seven hundred forty-eight".