30994072141824 has 459 divisors, whose sum is σ = 98567094481219. Its totient is φ = 9377890959360.

The previous prime is 30994072141807. The next prime is 30994072141939. The reversal of 30994072141824 is 42814127049903.

The square root of 30994072141824 is 5567232.

It is a perfect power (a square), and thus also a powerful number.

30994072141824 is a `hidden beast` number, since 3 + 0 + 9 + 9 + 407 + 214 + 18 + 2 + 4 = 666.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 47031975607 + ... + 47031976265.

Almost surely, 2^{30994072141824} is an apocalyptic number.

30994072141824 is the 5567232-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30994072141824

30994072141824 is an abundant number, since it is smaller than the sum of its proper divisors (67573022339395).

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

30994072141824 is an frugal number, since it uses more digits than its factorization.

30994072141824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378 (or 675 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 30994072141824 in words is "thirty trillion, nine hundred ninety-four billion, seventy-two million, one hundred forty-one thousand, eight hundred twenty-four".