25040959488 has 288 divisors, whose sum is σ = 76222298880. Its totient is φ = 8211456000.

The previous prime is 25040959477. The next prime is 25040959501. The reversal of 25040959488 is 88495904052.

It is a happy number.

25040959488 is a `hidden beast` number, since 2 + 5 + 0 + 40 + 9 + 594 + 8 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33343113 + ... + 33343863.

It is an arithmetic number, because the mean of its divisors is an integer number (264660760).

Almost surely, 2^25040959488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25040959488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38111149440).

25040959488 is an abundant number, since it is smaller than the sum of its proper divisors (51181339392).

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

25040959488 is an frugal number, since it uses more digits than its factorization.

25040959488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855 (or 823 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 54.

The spelling of 25040959488 in words is "twenty-five billion, forty million, nine hundred fifty-nine thousand, four hundred eighty-eight".