30669462720 has 672 divisors, whose sum is σ = 120222385920. Its totient is φ = 7122124800.

The previous prime is 30669462701. The next prime is 30669462727. The reversal of 30669462720 is 2726496603.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (30669462727) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 51030420 + ... + 51031020.

It is an arithmetic number, because the mean of its divisors is an integer number (178902360).

Almost surely, 2^30669462720 is an apocalyptic number.

30669462720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30669462720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60111192960).

30669462720 is an abundant number, since it is smaller than the sum of its proper divisors (89552923200).

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

30669462720 is a wasteful number, since it uses less digits than its factorization.

30669462720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713 (or 700 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The spelling of 30669462720 in words is "thirty billion, six hundred sixty-nine million, four hundred sixty-two thousand, seven hundred twenty".