30362821944 has 128 divisors (see below), whose sum is σ = 93816576000. Its totient is φ = 7974134784.

The previous prime is 30362821913. The next prime is 30362821963. The reversal of 30362821944 is 44912826303.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 30362821896 and 30362821905.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 492892 + ... + 551060.

It is an arithmetic number, because the mean of its divisors is an integer number (732942000).

Almost surely, 2^30362821944 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 30362821944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46908288000).

30362821944 is an abundant number, since it is smaller than the sum of its proper divisors (63453754056).

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

30362821944 is a wasteful number, since it uses less digits than its factorization.

30362821944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58437 (or 58433 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 42.

The spelling of 30362821944 in words is "thirty billion, three hundred sixty-two million, eight hundred twenty-one thousand, nine hundred forty-four".