44440000042 has 8 divisors (see below), whose sum is σ = 66669956100. Its totient is φ = 22216681344.

The previous prime is 44440000019. The next prime is 44440000079. The reversal of 44440000042 is 24000004444.

It can be written as a sum of positive squares in 2 ways, for example, as 42361460761 + 2078539281 = 205819^2 + 45591^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 44439999968 and 44440000022.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1642567 + ... + 1669402.

Almost surely, 2^44440000042 is an apocalyptic number.

44440000042 is a deficient number, since it is larger than the sum of its proper divisors (22229956058).

44440000042 is a wasteful number, since it uses less digits than its factorization.

44440000042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3318680.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 44440000042 its reverse (24000004444), we get a palindrome (68440004486).

The spelling of 44440000042 in words is "forty-four billion, four hundred forty million, forty-two", and thus it is an aban number.