30806630400 has 1344 divisors, whose sum is σ = 136516262400. Its totient is φ = 5945425920.

The previous prime is 30806630377. The next prime is 30806630473. The reversal of 30806630400 is 403660803.

It is a tau number, because it is divible by the number of its divisors (1344).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1062297586 + ... + 1062297614.

It is an arithmetic number, because the mean of its divisors is an integer number (101574600).

Almost surely, 2^30806630400 is an apocalyptic number.

30806630400 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 30806630400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68258131200).

30806630400 is an abundant number, since it is smaller than the sum of its proper divisors (105709632000).

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

30806630400 is a wasteful number, since it uses less digits than its factorization.

30806630400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The spelling of 30806630400 in words is "thirty billion, eight hundred six million, six hundred thirty thousand, four hundred".