25466327040 has 624 divisors, whose sum is σ = 103536861120. Its totient is φ = 5284823040.

The previous prime is 25466327039. The next prime is 25466327041. The reversal of 25466327040 is 4072366452.

It is an interprime number because it is at equal distance from previous prime (25466327039) and next prime (25466327041).

It is a self number, because there is not a number n which added to its sum of digits gives 25466327040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25466327041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33115776 + ... + 33116544.

Almost surely, 2^25466327040 is an apocalyptic number.

25466327040 is a gapful number since it is divisible by the number (20) 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 25466327040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51768430560).

25466327040 is an abundant number, since it is smaller than the sum of its proper divisors (78070534080).

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

25466327040 is a wasteful number, since it uses less digits than its factorization.

25466327040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826 (or 797 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 39.

The spelling of 25466327040 in words is "twenty-five billion, four hundred sixty-six million, three hundred twenty-seven thousand, forty".