30442421124 has 36 divisors (see below), whose sum is σ = 78213184140. Its totient is φ = 9981120960.

The previous prime is 30442421071. The next prime is 30442421131. The reversal of 30442421124 is 42112424403.

30442421124 is a `hidden beast` number, since 3 + 0 + 4 + 424 + 211 + 24 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4042670724 + 26399750400 = 63582^2 + 162480^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×30442421124² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6929139 + ... + 6933530.

Almost surely, 2^30442421124 is an apocalyptic number.

It is an amenable number.

30442421124 is an abundant number, since it is smaller than the sum of its proper divisors (47770763016).

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

30442421124 is a wasteful number, since it uses less digits than its factorization.

30442421124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13862740 (or 13862735 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 30442421124 its reverse (42112424403), we get a palindrome (72554845527).

The spelling of 30442421124 in words is "thirty billion, four hundred forty-two million, four hundred twenty-one thousand, one hundred twenty-four".