25973040744 has 240 divisors, whose sum is σ = 87359057280. Its totient is φ = 7181213760.

The previous prime is 25973040739. The next prime is 25973040749. The reversal of 25973040744 is 44704037952.

It is an interprime number because it is at equal distance from previous prime (25973040739) and next prime (25973040749).

It is a self number, because there is not a number n which added to its sum of digits gives 25973040744.

It is not an unprimeable number, because it can be changed into a prime (25973040749) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 971119 + ... + 997505.

It is an arithmetic number, because the mean of its divisors is an integer number (363996072).

Almost surely, 2^25973040744 is an apocalyptic number.

25973040744 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 25973040744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43679528640).

25973040744 is an abundant number, since it is smaller than the sum of its proper divisors (61386016536).

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

25973040744 is a wasteful number, since it uses less digits than its factorization.

25973040744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26450 (or 26430 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 25973040744 in words is "twenty-five billion, nine hundred seventy-three million, forty thousand, seven hundred forty-four".