30559738872 has 128 divisors (see below), whose sum is σ = 83280960000. Its totient is φ = 9288614400.

The previous prime is 30559738861. The next prime is 30559738889. The reversal of 30559738872 is 27883795503.

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 31 ways as a sum of consecutive naturals, for example, 18874879 + ... + 18876497.

It is an arithmetic number, because the mean of its divisors is an integer number (650632500).

Almost surely, 2^30559738872 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 30559738872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41640480000).

30559738872 is an abundant number, since it is smaller than the sum of its proper divisors (52721221128).

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

30559738872 is a wasteful number, since it uses less digits than its factorization.

30559738872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2341 (or 2337 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 57.

The spelling of 30559738872 in words is "thirty billion, five hundred fifty-nine million, seven hundred thirty-eight thousand, eight hundred seventy-two".