30985740800 has 120 divisors (see below), whose sum is σ = 87736932096. Its totient is φ = 10623651840.

The previous prime is 30985740787. The next prime is 30985740803. The reversal of 30985740800 is 804758903.

It is a super-2 number, since 2×30985740800² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30985740803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83312 + ... + 262511.

Almost surely, 2^30985740800 is an apocalyptic number.

It is an amenable number.

30985740800 is an abundant number, since it is smaller than the sum of its proper divisors (56751191296).

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

30985740800 is an equidigital number, since it uses as much as digits as its factorization.

30985740800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345858 (or 345837 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 30985740800 in words is "thirty billion, nine hundred eighty-five million, seven hundred forty thousand, eight hundred".