30442340442 has 64 divisors (see below), whose sum is σ = 63282585600. Its totient is φ = 9752581440.

The previous prime is 30442340431. The next prime is 30442340449. The reversal of 30442340442 is 24404324403.

It is not an unprimeable number, because it can be changed into a prime (30442340449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19526059 + ... + 19527617.

It is an arithmetic number, because the mean of its divisors is an integer number (988790400).

Almost surely, 2^30442340442 is an apocalyptic number.

30442340442 is an abundant number, since it is smaller than the sum of its proper divisors (32840245158).

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

30442340442 is a wasteful number, since it uses less digits than its factorization.

30442340442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2251.

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 30442340442 its reverse (24404324403), we get a palindrome (54846664845).

It can be divided in two parts, 304423 and 40442, that added together give a triangular number (344865 = T₈₃₀).

The spelling of 30442340442 in words is "thirty billion, four hundred forty-two million, three hundred forty thousand, four hundred forty-two".