30636814832 has 60 divisors (see below), whose sum is σ = 65365894440. Its totient is φ = 13900333824.

The previous prime is 30636814823. The next prime is 30636814847. The reversal of 30636814832 is 23841863603.

It is a super-2 number, since 2×30636814832² (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 11 ways as a sum of consecutive naturals, for example, 63518 + ... + 255554.

It is an arithmetic number, because the mean of its divisors is an integer number (1089431574).

Almost surely, 2^30636814832 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 30636814832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32682947220).

30636814832 is an abundant number, since it is smaller than the sum of its proper divisors (34729079608).

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

30636814832 is a wasteful number, since it uses less digits than its factorization.

30636814832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192130 (or 192111 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 44.

The spelling of 30636814832 in words is "thirty billion, six hundred thirty-six million, eight hundred fourteen thousand, eight hundred thirty-two".