30870434442 has 16 divisors (see below), whose sum is σ = 63409541472. Its totient is φ = 10012032720.

The previous prime is 30870434407. The next prime is 30870434443. The reversal of 30870434442 is 24443407803.

It is a self number, because there is not a number n which added to its sum of digits gives 30870434442.

It is not an unprimeable number, because it can be changed into a prime (30870434443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69527784 + ... + 69528227.

It is an arithmetic number, because the mean of its divisors is an integer number (3963096342).

Almost surely, 2^30870434442 is an apocalyptic number.

30870434442 is an abundant number, since it is smaller than the sum of its proper divisors (32539107030).

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

30870434442 is a wasteful number, since it uses less digits than its factorization.

30870434442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139056053.

The product of its (nonzero) digits is 258048, while the sum is 39.

The spelling of 30870434442 in words is "thirty billion, eight hundred seventy million, four hundred thirty-four thousand, four hundred forty-two".