25584840996 has 96 divisors (see below), whose sum is σ = 70311459456. Its totient is φ = 7138560000.

The previous prime is 25584840973. The next prime is 25584841021. The reversal of 25584840996 is 69904848552.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 669526 + ... + 706706.

It is an arithmetic number, because the mean of its divisors is an integer number (732411036).

Almost surely, 2^25584840996 is an apocalyptic number.

25584840996 is a gapful number since it is divisible by the number (26) 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 25584840996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35155729728).

25584840996 is an abundant number, since it is smaller than the sum of its proper divisors (44726618460).

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

25584840996 is a wasteful number, since it uses less digits than its factorization.

25584840996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37613 (or 37611 counting only the distinct ones).

The product of its (nonzero) digits is 24883200, while the sum is 60.

The spelling of 25584840996 in words is "twenty-five billion, five hundred eighty-four million, eight hundred forty thousand, nine hundred ninety-six".