30466388820 has 96 divisors (see below), whose sum is σ = 97872139008. Its totient is φ = 6936625152.

The previous prime is 30466388803. The next prime is 30466388839. The reversal of 30466388820 is 2888366403.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 30466388820.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33187 + ... + 249066.

It is an arithmetic number, because the mean of its divisors is an integer number (1019501448).

Almost surely, 2^30466388820 is an apocalyptic number.

30466388820 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 30466388820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48936069504).

30466388820 is an abundant number, since it is smaller than the sum of its proper divisors (67405750188).

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

30466388820 is a wasteful number, since it uses less digits than its factorization.

30466388820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282529 (or 282527 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 48.

The spelling of 30466388820 in words is "thirty billion, four hundred sixty-six million, three hundred eighty-eight thousand, eight hundred twenty".