30021322144 has 48 divisors (see below), whose sum is σ = 65293845120. Its totient is φ = 13473308160.

The previous prime is 30021322109. The next prime is 30021322181. The reversal of 30021322144 is 44122312003.

It is a Harshad number since it is a multiple of its sum of digits (22).

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 7 ways as a sum of consecutive naturals, for example, 511989 + ... + 567604.

It is an arithmetic number, because the mean of its divisors is an integer number (1360288440).

Almost surely, 2^30021322144 is an apocalyptic number.

It is an amenable number.

30021322144 is an abundant number, since it is smaller than the sum of its proper divisors (35272522976).

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

30021322144 is a wasteful number, since it uses less digits than its factorization.

30021322144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079693 (or 1079685 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 30021322144 its reverse (44122312003), we get a palindrome (74143634147).

The spelling of 30021322144 in words is "thirty billion, twenty-one million, three hundred twenty-two thousand, one hundred forty-four".