25230530412 has 72 divisors (see below), whose sum is σ = 65233861056. Its totient is φ = 8218635264.

The previous prime is 25230530389. The next prime is 25230530443. The reversal of 25230530412 is 21403503252.

It is a happy number.

25230530412 is a `hidden beast` number, since 2 + 52 + 305 + 304 + 1 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1127638 + ... + 1149794.

It is an arithmetic number, because the mean of its divisors is an integer number (906025848).

Almost surely, 2^25230530412 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 25230530412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32616930528).

25230530412 is an abundant number, since it is smaller than the sum of its proper divisors (40003330644).

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

25230530412 is a wasteful number, since it uses less digits than its factorization.

25230530412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22887 (or 22882 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The spelling of 25230530412 in words is "twenty-five billion, two hundred thirty million, five hundred thirty thousand, four hundred twelve".