25894472576 has 96 divisors (see below), whose sum is σ = 60068038680. Its totient is φ = 11086709760.

The previous prime is 25894472557. The next prime is 25894472579. The reversal of 25894472576 is 67527449852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25894472579) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12611966 + ... + 12614018.

Almost surely, 2^25894472576 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 25894472576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30034019340).

25894472576 is an abundant number, since it is smaller than the sum of its proper divisors (34173566104).

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

25894472576 is a wasteful number, since it uses less digits than its factorization.

25894472576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4092 (or 4073 counting only the distinct ones).

The product of its digits is 33868800, while the sum is 59.

It can be divided in two parts, 258944 and 72576, that multiplied together give a square (18793119744 = 137088²).

The spelling of 25894472576 in words is "twenty-five billion, eight hundred ninety-four million, four hundred seventy-two thousand, five hundred seventy-six".