25634063416 has 32 divisors (see below), whose sum is σ = 51879088800. Its totient is φ = 11804135040.

The previous prime is 25634063383. The next prime is 25634063417. The reversal of 25634063416 is 61436043652.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25634063417) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 235075 + ... + 326386.

It is an arithmetic number, because the mean of its divisors is an integer number (1621221525).

Almost surely, 2^25634063416 is an apocalyptic number.

25634063416 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

25634063416 is an abundant number, since it is smaller than the sum of its proper divisors (26245025384).

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

25634063416 is a wasteful number, since it uses less digits than its factorization.

25634063416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561919 (or 561915 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 25634063416 in words is "twenty-five billion, six hundred thirty-four million, sixty-three thousand, four hundred sixteen".