30119091672 has 128 divisors (see below), whose sum is σ = 79949721600. Its totient is φ = 9438643200.

The previous prime is 30119091659. The next prime is 30119091677. The reversal of 30119091672 is 27619091103.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 30119091672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30119091677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27707913 + ... + 27708999.

It is an arithmetic number, because the mean of its divisors is an integer number (624607200).

Almost surely, 2^30119091672 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 30119091672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39974860800).

30119091672 is an abundant number, since it is smaller than the sum of its proper divisors (49830629928).

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

30119091672 is a wasteful number, since it uses less digits than its factorization.

30119091672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2137 (or 2133 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 39.

The spelling of 30119091672 in words is "thirty billion, one hundred nineteen million, ninety-one thousand, six hundred seventy-two".