30836413608 has 512 divisors, whose sum is σ = 107594403840. Its totient is φ = 7106641920.

The previous prime is 30836413591. The next prime is 30836413633. The reversal of 30836413608 is 80631463803.

It is a Cunningham number, because it is equal to 175603²-1.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 30836413608.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 100444191 + ... + 100444497.

It is an arithmetic number, because the mean of its divisors is an integer number (210145320).

Almost surely, 2^30836413608 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 30836413608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53797201920).

30836413608 is an abundant number, since it is smaller than the sum of its proper divisors (76757990232).

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

30836413608 is a wasteful number, since it uses less digits than its factorization.

30836413608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 42.

It can be divided in two parts, 30836 and 413608, that added together give a palindrome (444444).

The spelling of 30836413608 in words is "thirty billion, eight hundred thirty-six million, four hundred thirteen thousand, six hundred eight".