25045155344 has 160 divisors (see below), whose sum is σ = 57033849600. Its totient is φ = 10528358400.

The previous prime is 25045155329. The next prime is 25045155383. The reversal of 25045155344 is 44355154052.

It is a junction number, because it is equal to n+sod(n) for n = 25045155298 and 25045155307.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55779632 + ... + 55780080.

It is an arithmetic number, because the mean of its divisors is an integer number (356461560).

Almost surely, 2^25045155344 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 25045155344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28516924800).

25045155344 is an abundant number, since it is smaller than the sum of its proper divisors (31988694256).

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

25045155344 is a wasteful number, since it uses less digits than its factorization.

25045155344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769 (or 763 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 38.

The spelling of 25045155344 in words is "twenty-five billion, forty-five million, one hundred fifty-five thousand, three hundred forty-four".