25230540144 has 40 divisors (see below), whose sum is σ = 65212076160. Its totient is φ = 8405898688.

The previous prime is 25230540079. The next prime is 25230540149. The reversal of 25230540144 is 44104503252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25230540149) 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, 37812 + ... + 227795.

It is an arithmetic number, because the mean of its divisors is an integer number (1630301904).

Almost surely, 2^25230540144 is an apocalyptic number.

25230540144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25230540144 is an abundant number, since it is smaller than the sum of its proper divisors (39981536016).

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

25230540144 is a wasteful number, since it uses less digits than its factorization.

25230540144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267597 (or 267591 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The spelling of 25230540144 in words is "twenty-five billion, two hundred thirty million, five hundred forty thousand, one hundred forty-four".