30936402164272 has 160 divisors (see below), whose sum is σ = 70969971916800. Its totient is φ = 12917347872000.

The previous prime is 30936402164263. The next prime is 30936402164279. The reversal of 30936402164272 is 27246120463903.

It is not an unprimeable number, because it can be changed into a prime (30936402164279) 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, 15497979 + ... + 17379877.

It is an arithmetic number, because the mean of its divisors is an integer number (443562324480).

Almost surely, 2^{30936402164272} 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 30936402164272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35484985958400).

30936402164272 is an abundant number, since it is smaller than the sum of its proper divisors (40033569752528).

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

30936402164272 is a wasteful number, since it uses less digits than its factorization.

30936402164272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882103 (or 1882097 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 49.

The spelling of 30936402164272 in words is "thirty trillion, nine hundred thirty-six billion, four hundred two million, one hundred sixty-four thousand, two hundred seventy-two".