30394506042 has 16 divisors (see below), whose sum is σ = 67543346880. Its totient is φ = 10131501996.

The previous prime is 30394506007. The next prime is 30394506071. The reversal of 30394506042 is 24060549303.

30394506042 is a `hidden beast` number, since 3 + 0 + 3 + 9 + 45 + 0 + 604 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 30394505988 and 30394506006.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281430558 + ... + 281430665.

It is an arithmetic number, because the mean of its divisors is an integer number (4221459180).

Almost surely, 2^30394506042 is an apocalyptic number.

30394506042 is an abundant number, since it is smaller than the sum of its proper divisors (37148840838).

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

30394506042 is a wasteful number, since it uses less digits than its factorization.

30394506042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562861234 (or 562861228 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The spelling of 30394506042 in words is "thirty billion, three hundred ninety-four million, five hundred six thousand, forty-two".