30040042324 has 12 divisors (see below), whose sum is σ = 52572544948. Its totient is φ = 15019315200.

The previous prime is 30040042289. The next prime is 30040042327. The reversal of 30040042324 is 42324004003.

It can be written as a sum of positive squares in 2 ways, for example, as 12611290000 + 17428752324 = 112300^2 + 132018^2 .

It is a super-2 number, since 2×30040042324² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30040042295 and 30040042304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30040042327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74157 + ... + 256084.

Almost surely, 2^30040042324 is an apocalyptic number.

It is an amenable number.

30040042324 is a deficient number, since it is larger than the sum of its proper divisors (22532502624).

30040042324 is a wasteful number, since it uses less digits than its factorization.

30040042324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352986 (or 352984 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 30040042324 its reverse (42324004003), we get a palindrome (72364046327).

The spelling of 30040042324 in words is "thirty billion, forty million, forty-two thousand, three hundred twenty-four".