30149911176 has 128 divisors (see below), whose sum is σ = 94094300160. Its totient is φ = 7821100800.

The previous prime is 30149911171. The next prime is 30149911177. The reversal of 30149911176 is 67111994103.

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

It is not an unprimeable number, because it can be changed into a prime (30149911171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1488670 + ... + 1508786.

It is an arithmetic number, because the mean of its divisors is an integer number (735111720).

Almost surely, 2^30149911176 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 30149911176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47047150080).

30149911176 is an abundant number, since it is smaller than the sum of its proper divisors (63944388984).

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

30149911176 is a wasteful number, since it uses less digits than its factorization.

30149911176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20955 (or 20951 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 42.

The spelling of 30149911176 in words is "thirty billion, one hundred forty-nine million, nine hundred eleven thousand, one hundred seventy-six".