25258412832 has 24 divisors (see below), whose sum is σ = 66303333936. Its totient is φ = 8419470912.

The previous prime is 25258412821. The next prime is 25258412843. The reversal of 25258412832 is 23821485252.

It is an interprime number because it is at equal distance from previous prime (25258412821) and next prime (25258412843).

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131554138 + ... + 131554329.

It is an arithmetic number, because the mean of its divisors is an integer number (2762638914).

Almost surely, 2^25258412832 is an apocalyptic number.

It is an amenable number.

25258412832 is an abundant number, since it is smaller than the sum of its proper divisors (41044921104).

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

25258412832 is a wasteful number, since it uses less digits than its factorization.

25258412832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263108480 (or 263108472 counting only the distinct ones).

The product of its digits is 307200, while the sum is 42.

The spelling of 25258412832 in words is "twenty-five billion, two hundred fifty-eight million, four hundred twelve thousand, eight hundred thirty-two".