25723730144 has 48 divisors (see below), whose sum is σ = 57898981728. Its totient is φ = 11020534272.

The previous prime is 25723730141. The next prime is 25723730161. The reversal of 25723730144 is 44103732752.

It is a junction number, because it is equal to n+sod(n) for n = 25723730098 and 25723730107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25723730141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 661382 + ... + 699194.

It is an arithmetic number, because the mean of its divisors is an integer number (1206228786).

Almost surely, 2^25723730144 is an apocalyptic number.

It is an amenable number.

25723730144 is an abundant number, since it is smaller than the sum of its proper divisors (32175251584).

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

25723730144 is a wasteful number, since it uses less digits than its factorization.

25723730144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40867 (or 40859 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 38.

The spelling of 25723730144 in words is "twenty-five billion, seven hundred twenty-three million, seven hundred thirty thousand, one hundred forty-four".