30455700000 has 432 divisors, whose sum is σ = 109967336640. Its totient is φ = 7374400000.

The previous prime is 30455699993. The next prime is 30455700043. The reversal of 30455700000 is 755403.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 36299581 + ... + 36300419.

It is an arithmetic number, because the mean of its divisors is an integer number (254554020).

Almost surely, 2^30455700000 is an apocalyptic number.

30455700000 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 30455700000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54983668320).

30455700000 is an abundant number, since it is smaller than the sum of its proper divisors (79511636640).

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

30455700000 is an equidigital number, since it uses as much as digits as its factorization.

30455700000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899 (or 860 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 24.

The spelling of 30455700000 in words is "thirty billion, four hundred fifty-five million, seven hundred thousand".