18295959630 has 64 divisors (see below), whose sum is σ = 47351743488. Its totient is φ = 4497552000.

The previous prime is 18295959629. The next prime is 18295959641. The reversal of 18295959630 is 3695959281.

It is a congruent number.

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, 261657 + ... + 324123.

It is an arithmetic number, because the mean of its divisors is an integer number (739870992).

Almost surely, 2^18295959630 is an apocalyptic number.

18295959630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 18295959630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23675871744).

18295959630 is an abundant number, since it is smaller than the sum of its proper divisors (29055783858).

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

18295959630 is a wasteful number, since it uses less digits than its factorization.

18295959630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63241.

The product of its (nonzero) digits is 5248800, while the sum is 57.

The spelling of 18295959630 in words is "eighteen billion, two hundred ninety-five million, nine hundred fifty-nine thousand, six hundred thirty".