25610767385672 has 128 divisors (see below), whose sum is σ = 58931211018240. Its totient is φ = 10197002999040.

The previous prime is 25610767385657. The next prime is 25610767385759. The reversal of 25610767385672 is 27658376701652.

It is a super-2 number, since 2×25610767385672² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25610767385599 and 25610767385608.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6315458 + ... + 9544974.

It is an arithmetic number, because the mean of its divisors is an integer number (460400086080).

Almost surely, 2^{25610767385672} 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 25610767385672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29465605509120).

25610767385672 is an abundant number, since it is smaller than the sum of its proper divisors (33320443632568).

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

25610767385672 is a wasteful number, since it uses less digits than its factorization.

25610767385672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3229731 (or 3229727 counting only the distinct ones).

The product of its (nonzero) digits is 177811200, while the sum is 65.

The spelling of 25610767385672 in words is "twenty-five trillion, six hundred ten billion, seven hundred sixty-seven million, three hundred eighty-five thousand, six hundred seventy-two".