30808582380 has 144 divisors (see below), whose sum is σ = 95909958144. Its totient is φ = 8000737920.

The previous prime is 30808582373. The next prime is 30808582381. The reversal of 30808582380 is 8328580803.

30808582380 is a `hidden beast` number, since 30 + 8 + 0 + 8 + 582 + 38 + 0 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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 (30808582381) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2680045 + ... + 2691515.

It is an arithmetic number, because the mean of its divisors is an integer number (666041376).

Almost surely, 2^30808582380 is an apocalyptic number.

30808582380 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 30808582380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47954979072).

30808582380 is an abundant number, since it is smaller than the sum of its proper divisors (65101375764).

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

30808582380 is a wasteful number, since it uses less digits than its factorization.

30808582380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11876 (or 11871 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The spelling of 30808582380 in words is "thirty billion, eight hundred eight million, five hundred eighty-two thousand, three hundred eighty".