30944645618394 has 32 divisors (see below), whose sum is σ = 63330480322560. Its totient is φ = 10074698110512.

The previous prime is 30944645618371. The next prime is 30944645618401. The reversal of 30944645618394 is 49381654644903.

It is a super-2 number, since 2×30944645618394² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6879927 + ... + 10450965.

It is an arithmetic number, because the mean of its divisors is an integer number (1979077510080).

Almost surely, 2^{30944645618394} is an apocalyptic number.

30944645618394 is an abundant number, since it is smaller than the sum of its proper divisors (32385834704166).

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

30944645618394 is a wasteful number, since it uses less digits than its factorization.

30944645618394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3604674.

The product of its (nonzero) digits is 268738560, while the sum is 66.

The spelling of 30944645618394 in words is "thirty trillion, nine hundred forty-four billion, six hundred forty-five million, six hundred eighteen thousand, three hundred ninety-four".