30840656088 has 32 divisors (see below), whose sum is σ = 84110880960. Its totient is φ = 9345653280.

The previous prime is 30840656083. The next prime is 30840656111. The reversal of 30840656088 is 88065604803.

It is a super-2 number, since 2×30840656088² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30840656083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58410070 + ... + 58410597.

It is an arithmetic number, because the mean of its divisors is an integer number (2628465030).

Almost surely, 2^30840656088 is an apocalyptic number.

It is an amenable number.

30840656088 is an abundant number, since it is smaller than the sum of its proper divisors (53270224872).

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

30840656088 is a wasteful number, since it uses less digits than its factorization.

30840656088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116820687 (or 116820683 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 48.

The spelling of 30840656088 in words is "thirty billion, eight hundred forty million, six hundred fifty-six thousand, eighty-eight".