30655380000 has 360 divisors, whose sum is σ = 116984265552. Its totient is φ = 7006272000.

The previous prime is 30655379981. The next prime is 30655380013. The reversal of 30655380000 is 8355603.

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

It is a self number, because there is not a number n which added to its sum of digits gives 30655380000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 2934787 + ... + 2945213.

Almost surely, 2^30655380000 is an apocalyptic number.

30655380000 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 30655380000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58492132776).

30655380000 is an abundant number, since it is smaller than the sum of its proper divisors (86328885552).

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

30655380000 is a wasteful number, since it uses less digits than its factorization.

30655380000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10474 (or 10444 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 30655380000 in words is "thirty billion, six hundred fifty-five million, three hundred eighty thousand".