25583450630 has 16 divisors (see below), whose sum is σ = 46805133744. Its totient is φ = 10065619680.

The previous prime is 25583450623. The next prime is 25583450647. The reversal of 25583450630 is 3605438552.

It is a super-2 number, since 2×25583450630² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20969432 + ... + 20970651.

It is an arithmetic number, because the mean of its divisors is an integer number (2925320859).

Almost surely, 2^25583450630 is an apocalyptic number.

25583450630 is a deficient number, since it is larger than the sum of its proper divisors (21221683114).

25583450630 is a wasteful number, since it uses less digits than its factorization.

25583450630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41940151.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 25583450630 in words is "twenty-five billion, five hundred eighty-three million, four hundred fifty thousand, six hundred thirty".