25464081410416 has 80 divisors (see below), whose sum is σ = 53981688700800. Its totient is φ = 11540206621440.

The previous prime is 25464081410407. The next prime is 25464081410419. The reversal of 25464081410416 is 61401418046452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25464081410419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 866493675 + ... + 866523061.

It is an arithmetic number, because the mean of its divisors is an integer number (674771108760).

Almost surely, 2^{25464081410416} 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 25464081410416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26990844350400).

25464081410416 is an abundant number, since it is smaller than the sum of its proper divisors (28517607290384).

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

25464081410416 is a wasteful number, since it uses less digits than its factorization.

25464081410416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43862 (or 43856 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 46.

Adding to 25464081410416 its reverse (61401418046452), we get a palindrome (86865499456868).

The spelling of 25464081410416 in words is "twenty-five trillion, four hundred sixty-four billion, eighty-one million, four hundred ten thousand, four hundred sixteen".