25645341416 has 16 divisors (see below), whose sum is σ = 48534409440. Its totient is φ = 12702832240.

The previous prime is 25645341383. The next prime is 25645341443. The reversal of 25645341416 is 61414354652.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 14978900 + ... + 14980611.

It is an arithmetic number, because the mean of its divisors is an integer number (3033400590).

Almost surely, 2^25645341416 is an apocalyptic number.

It is an amenable number.

25645341416 is a deficient number, since it is larger than the sum of its proper divisors (22889068024).

25645341416 is a wasteful number, since it uses less digits than its factorization.

25645341416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29959624 (or 29959620 counting only the distinct ones).

The product of its digits is 345600, while the sum is 41.

The spelling of 25645341416 in words is "twenty-five billion, six hundred forty-five million, three hundred forty-one thousand, four hundred sixteen".