30440440234 has 4 divisors (see below), whose sum is σ = 45660660354. Its totient is φ = 15220220116.

The previous prime is 30440440231. The next prime is 30440440241. The reversal of 30440440234 is 43204404403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43204404403 = 419 ⋅103113137.

It can be written as a sum of positive squares in only one way, i.e., 23255335009 + 7185105225 = 152497^2 + 84765^2 .

It is not an unprimeable number, because it can be changed into a prime (30440440231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7610110057 + ... + 7610110060.

Almost surely, 2^30440440234 is an apocalyptic number.

30440440234 is a deficient number, since it is larger than the sum of its proper divisors (15220220120).

30440440234 is a wasteful number, since it uses less digits than its factorization.

30440440234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15220220119.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 30440440234 its reverse (43204404403), we get a palindrome (73644844637).

The spelling of 30440440234 in words is "thirty billion, four hundred forty million, four hundred forty thousand, two hundred thirty-four".