30442321044 has 60 divisors (see below), whose sum is σ = 80589678400. Its totient is φ = 10018983312.

The previous prime is 30442321043. The next prime is 30442321057. The reversal of 30442321044 is 44012324403.

It is a happy number.

30442321044 is a `hidden beast` number, since 3 + 0 + 442 + 3 + 210 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 30442320999 and 30442321017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30442321043) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 569074 + ... + 620265.

Almost surely, 2^30442321044 is an apocalyptic number.

It is an amenable number.

30442321044 is an abundant number, since it is smaller than the sum of its proper divisors (50147357356).

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

30442321044 is a wasteful number, since it uses less digits than its factorization.

30442321044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189434 (or 1189423 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 30442321044 its reverse (44012324403), we get a palindrome (74454645447).

The spelling of 30442321044 in words is "thirty billion, four hundred forty-two million, three hundred twenty-one thousand, forty-four".