42444043001 has 32 divisors (see below), whose sum is σ = 44493926400. Its totient is φ = 40458700800.

The previous prime is 42444042931. The next prime is 42444043003. The reversal of 42444043001 is 10034044424.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 42444043001 - 2¹⁰ = 42444041977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42444043003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 176116241 + ... + 176116481.

It is an arithmetic number, because the mean of its divisors is an integer number (1390435200).

Almost surely, 2^42444043001 is an apocalyptic number.

42444043001 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

42444043001 is a deficient number, since it is larger than the sum of its proper divisors (2049883399).

42444043001 is a wasteful number, since it uses less digits than its factorization.

42444043001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 42444043001 its reverse (10034044424), we get a palindrome (52478087425).

The spelling of 42444043001 in words is "forty-two billion, four hundred forty-four million, forty-three thousand, one".