25530608350 has 48 divisors (see below), whose sum is σ = 53363272032. Its totient is φ = 9016824960.

The previous prime is 25530608339. The next prime is 25530608431. The reversal of 25530608350 is 5380603552.

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, 838917 + ... + 868816.

It is an arithmetic number, because the mean of its divisors is an integer number (1111734834).

Almost surely, 2^25530608350 is an apocalyptic number.

25530608350 is an abundant number, since it is smaller than the sum of its proper divisors (27832663682).

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

25530608350 is a wasteful number, since it uses less digits than its factorization.

25530608350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707781 (or 1707776 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 25530608350 in words is "twenty-five billion, five hundred thirty million, six hundred eight thousand, three hundred fifty".