30284922880 has 120 divisors (see below), whose sum is σ = 72963720648. Its totient is φ = 12067012608.

The previous prime is 30284922859. The next prime is 30284922883. The reversal of 30284922880 is 8822948203.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 247873536 + 30037049344 = 15744^2 + 173312^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30284922880.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30284922883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27606492 + ... + 27607588.

Almost surely, 2^30284922880 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30284922880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36481860324).

30284922880 is an abundant number, since it is smaller than the sum of its proper divisors (42678797768).

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

30284922880 is an equidigital number, since it uses as much as digits as its factorization.

30284922880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467 (or 1441 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 46.

The spelling of 30284922880 in words is "thirty billion, two hundred eighty-four million, nine hundred twenty-two thousand, eight hundred eighty".