25357750000 has 140 divisors (see below), whose sum is σ = 67002736104. Its totient is φ = 9220000000.

The previous prime is 25357749979. The next prime is 25357750003. The reversal of 25357750000 is 5775352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25357750003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 2745390 + ... + 2754610.

Almost surely, 2^25357750000 is an apocalyptic number.

25357750000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25357750000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33501368052).

25357750000 is an abundant number, since it is smaller than the sum of its proper divisors (41644986104).

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

25357750000 is an frugal number, since it uses more digits than its factorization.

25357750000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9270 (or 9239 counting only the distinct ones).

The product of its (nonzero) digits is 36750, while the sum is 34.

The spelling of 25357750000 in words is "twenty-five billion, three hundred fifty-seven million, seven hundred fifty thousand".