44102421433642 has 16 divisors (see below), whose sum is σ = 77718952456992. Its totient is φ = 18504512489520.

The previous prime is 44102421433597. The next prime is 44102421433643. The reversal of 44102421433642 is 24633412420144.

It is a junction number, because it is equal to n+sod(n) for n = 44102421433595 and 44102421433604.

It is not an unprimeable number, because it can be changed into a prime (44102421433643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77102135088 + ... + 77102135659.

It is an arithmetic number, because the mean of its divisors is an integer number (4857434528562).

Almost surely, 2^{44102421433642} is an apocalyptic number.

44102421433642 is a deficient number, since it is larger than the sum of its proper divisors (33616531023350).

44102421433642 is a wasteful number, since it uses less digits than its factorization.

44102421433642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154204270773.

The product of its (nonzero) digits is 442368, while the sum is 40.

Adding to 44102421433642 its reverse (24633412420144), we get a palindrome (68735833853786).

The spelling of 44102421433642 in words is "forty-four trillion, one hundred two billion, four hundred twenty-one million, four hundred thirty-three thousand, six hundred forty-two".