44440231442 has 4 divisors (see below), whose sum is σ = 66660347166. Its totient is φ = 22220115720.

The previous prime is 44440231421. The next prime is 44440231453. The reversal of 44440231442 is 24413204444.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 25147299241 + 19292932201 = 158579^2 + 138899^2 .

It is a junction number, because it is equal to n+sod(n) for n = 44440231399 and 44440231408.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110057859 + ... + 11110057862.

Almost surely, 2^44440231442 is an apocalyptic number.

44440231442 is a deficient number, since it is larger than the sum of its proper divisors (22220115724).

44440231442 is a wasteful number, since it uses less digits than its factorization.

44440231442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22220115723.

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 44440231442 its reverse (24413204444), we get a palindrome (68853435886).

The spelling of 44440231442 in words is "forty-four billion, four hundred forty million, two hundred thirty-one thousand, four hundred forty-two".