30444413242 has 4 divisors (see below), whose sum is σ = 45666619866. Its totient is φ = 15222206620.

The previous prime is 30444413239. The next prime is 30444413249. The reversal of 30444413242 is 24231444403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24231444403 = 23 ⋅1053541061.

It can be written as a sum of positive squares in only one way, i.e., 30443619361 + 793881 = 174481^2 + 891^2 .

It is a super-3 number, since 3×30444413242³ (a number of 32 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (30444413249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7611103309 + ... + 7611103312.

Almost surely, 2^30444413242 is an apocalyptic number.

30444413242 is a deficient number, since it is larger than the sum of its proper divisors (15222206624).

30444413242 is a wasteful number, since it uses less digits than its factorization.

30444413242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15222206623.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 30444413242 its reverse (24231444403), we get a palindrome (54675857645).

The spelling of 30444413242 in words is "thirty billion, four hundred forty-four million, four hundred thirteen thousand, two hundred forty-two".