30396756992 has 44 divisors (see below), whose sum is σ = 69444393120. Its totient is φ = 13027178496.

The previous prime is 30396756991. The next prime is 30396757031. The reversal of 30396756992 is 29965769303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30396756991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2113142 + ... + 2127477.

Almost surely, 2^30396756992 is an apocalyptic number.

30396756992 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30396756992 is an abundant number, since it is smaller than the sum of its proper divisors (39047636128).

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

30396756992 is an equidigital number, since it uses as much as digits as its factorization.

30396756992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4240646 (or 4240628 counting only the distinct ones).

The product of its (nonzero) digits is 16533720, while the sum is 59.

The spelling of 30396756992 in words is "thirty billion, three hundred ninety-six million, seven hundred fifty-six thousand, nine hundred ninety-two".