30374866512 has 100 divisors (see below), whose sum is σ = 87956733876. Its totient is φ = 10119997440.

The previous prime is 30374866471. The next prime is 30374866513. The reversal of 30374866512 is 21566847303.

30374866512 is a `hidden beast` number, since 3 + 0 + 3 + 74 + 8 + 66 + 512 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 19520560656 + 10854305856 = 139716^2 + 104184^2 .

It is a super-2 number, since 2×30374866512² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30374866513) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3439062 + ... + 3447882.

Almost surely, 2^30374866512 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 30374866512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43978366938).

30374866512 is an abundant number, since it is smaller than the sum of its proper divisors (57581867364).

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

30374866512 is a wasteful number, since it uses less digits than its factorization.

30374866512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11498 (or 11483 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 30374866512 in words is "thirty billion, three hundred seventy-four million, eight hundred sixty-six thousand, five hundred twelve".