25750585344 has 240 divisors, whose sum is σ = 75834896256. Its totient is φ = 7707033600.

The previous prime is 25750585331. The next prime is 25750585381. The reversal of 25750585344 is 44358505752.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 25750585293 and 25750585302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52444939 + ... + 52445429.

Almost surely, 2^25750585344 is an apocalyptic number.

25750585344 is a gapful number since it is divisible by the number (24) 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 25750585344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37917448128).

25750585344 is an abundant number, since it is smaller than the sum of its proper divisors (50084310912).

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

25750585344 is an equidigital number, since it uses as much as digits as its factorization.

25750585344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630 (or 604 counting only the distinct ones).

The product of its (nonzero) digits is 3360000, while the sum is 48.

The spelling of 25750585344 in words is "twenty-five billion, seven hundred fifty million, five hundred eighty-five thousand, three hundred forty-four".