30403042434 has 12 divisors (see below), whose sum is σ = 65873258646. Its totient is φ = 10134347472.

The previous prime is 30403042433. The next prime is 30403042459. The reversal of 30403042434 is 43424030403.

30403042434 is a `hidden beast` number, since 304 + 0 + 304 + 24 + 34 = 666.

It can be written as a sum of positive squares in only one way, i.e., 29600170209 + 802872225 = 172047^2 + 28335^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30403042398 and 30403042407.

It is not an unprimeable number, because it can be changed into a prime (30403042433) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 844528939 + ... + 844528974.

Almost surely, 2^30403042434 is an apocalyptic number.

30403042434 is an abundant number, since it is smaller than the sum of its proper divisors (35470216212).

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

30403042434 is a wasteful number, since it uses less digits than its factorization.

30403042434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689057921 (or 1689057918 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 30403042434 its reverse (43424030403), we get a palindrome (73827072837).

The spelling of 30403042434 in words is "thirty billion, four hundred three million, forty-two thousand, four hundred thirty-four".