25340386038 has 48 divisors (see below), whose sum is σ = 55731458160. Its totient is φ = 7675528960.

The previous prime is 25340386007. The next prime is 25340386061. The reversal of 25340386038 is 83068304352.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2009818 + ... + 2022386.

It is an arithmetic number, because the mean of its divisors is an integer number (1161072045).

Almost surely, 2^25340386038 is an apocalyptic number.

25340386038 is an abundant number, since it is smaller than the sum of its proper divisors (30391072122).

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

25340386038 is a wasteful number, since it uses less digits than its factorization.

25340386038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15373 (or 15362 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 25340386038 in words is "twenty-five billion, three hundred forty million, three hundred eighty-six thousand, thirty-eight".