30428574842 has 32 divisors (see below), whose sum is σ = 47817665280. Its totient is φ = 14507089920.

The previous prime is 30428574823. The next prime is 30428574857. The reversal of 30428574842 is 24847582403.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2958593 + ... + 2968859.

It is an arithmetic number, because the mean of its divisors is an integer number (1494302040).

Almost surely, 2^30428574842 is an apocalyptic number.

30428574842 is a deficient number, since it is larger than the sum of its proper divisors (17389090438).

30428574842 is a wasteful number, since it uses less digits than its factorization.

30428574842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11126.

The product of its (nonzero) digits is 1720320, while the sum is 47.

The spelling of 30428574842 in words is "thirty billion, four hundred twenty-eight million, five hundred seventy-four thousand, eight hundred forty-two".