25235318000 has 40 divisors (see below), whose sum is σ = 61019003760. Its totient is φ = 10094126400.

The previous prime is 25235317993. The next prime is 25235318021. The reversal of 25235318000 is 81353252.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×25235318000² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6306830 + ... + 6310829.

It is an arithmetic number, because the mean of its divisors is an integer number (1525475094).

Almost surely, 2^25235318000 is an apocalyptic number.

25235318000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25235318000 is an abundant number, since it is smaller than the sum of its proper divisors (35783685760).

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

25235318000 is a wasteful number, since it uses less digits than its factorization.

25235318000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12617682 (or 12617666 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 25235318000 in words is "twenty-five billion, two hundred thirty-five million, three hundred eighteen thousand".