30386661644898 has 256 divisors, whose sum is σ = 77588679168000. Its totient is φ = 8732297954304.

The previous prime is 30386661644891. The next prime is 30386661644957. The reversal of 30386661644898 is 89844616668303.

It is not an unprimeable number, because it can be changed into a prime (30386661644891) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5903759161 + ... + 5903764307.

It is an arithmetic number, because the mean of its divisors is an integer number (303080778000).

Almost surely, 2^{30386661644898} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30386661644898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38794339584000).

30386661644898 is an abundant number, since it is smaller than the sum of its proper divisors (47202017523102).

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

30386661644898 is a wasteful number, since it uses less digits than its factorization.

30386661644898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8886 (or 8880 counting only the distinct ones).

The product of its (nonzero) digits is 859963392, while the sum is 72.

The spelling of 30386661644898 in words is "thirty trillion, three hundred eighty-six billion, six hundred sixty-one million, six hundred forty-four thousand, eight hundred ninety-eight".