30637306608 has 80 divisors (see below), whose sum is σ = 81413705856. Its totient is φ = 9923915520.

The previous prime is 30637306573. The next prime is 30637306639. The reversal of 30637306608 is 80660373603.

It is a self number, because there is not a number n which added to its sum of digits gives 30637306608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179991 + ... + 306057.

Almost surely, 2^30637306608 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 30637306608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40706852928).

30637306608 is an abundant number, since it is smaller than the sum of its proper divisors (50776399248).

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

30637306608 is a wasteful number, since it uses less digits than its factorization.

30637306608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126222 (or 126216 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 42.

The spelling of 30637306608 in words is "thirty billion, six hundred thirty-seven million, three hundred six thousand, six hundred eight".