30142242444 has 48 divisors (see below), whose sum is σ = 71233940736. Its totient is φ = 9919128000.

The previous prime is 30142242433. The next prime is 30142242451. The reversal of 30142242444 is 44424224103.

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, 384729 + ... + 456399.

It is an arithmetic number, because the mean of its divisors is an integer number (1484040432).

Almost surely, 2^30142242444 is an apocalyptic number.

It is an amenable number.

30142242444 is an abundant number, since it is smaller than the sum of its proper divisors (41091698292).

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

30142242444 is a wasteful number, since it uses less digits than its factorization.

30142242444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72126 (or 72124 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 30142242444 its reverse (44424224103), we get a palindrome (74566466547).

The spelling of 30142242444 in words is "thirty billion, one hundred forty-two million, two hundred forty-two thousand, four hundred forty-four".