25025448132 has 36 divisors (see below), whose sum is σ = 63523474560. Its totient is φ = 8306910192.

The previous prime is 25025448101. The next prime is 25025448143. The reversal of 25025448132 is 23184452052.

25025448132 is a `hidden beast` number, since 2 + 5 + 0 + 2 + 544 + 81 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1445688 + ... + 1462895.

It is an arithmetic number, because the mean of its divisors is an integer number (1764540960).

Almost surely, 2^25025448132 is an apocalyptic number.

It is an amenable number.

25025448132 is an abundant number, since it is smaller than the sum of its proper divisors (38498026428).

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

25025448132 is a wasteful number, since it uses less digits than its factorization.

25025448132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2908832 (or 2908827 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The spelling of 25025448132 in words is "twenty-five billion, twenty-five million, four hundred forty-eight thousand, one hundred thirty-two".