30081622536 has 480 divisors, whose sum is σ = 108334765440. Its totient is φ = 7734279168.

The previous prime is 30081622523. The next prime is 30081622561. The reversal of 30081622536 is 63522618003.

It is a happy number.

It is a hoax number, since the sum of its digits (36) 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 (36).

It is a self number, because there is not a number n which added to its sum of digits gives 30081622536.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 12413821 + ... + 12416243.

It is an arithmetic number, because the mean of its divisors is an integer number (225697428).

Almost surely, 2^30081622536 is an apocalyptic number.

30081622536 is a gapful number since it is divisible by the number (36) 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 30081622536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54167382720).

30081622536 is an abundant number, since it is smaller than the sum of its proper divisors (78253142904).

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

30081622536 is a wasteful number, since it uses less digits than its factorization.

30081622536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2495 (or 2475 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 30081622536 in words is "thirty billion, eighty-one million, six hundred twenty-two thousand, five hundred thirty-six".