42201220432444 has 12 divisors (see below), whose sum is σ = 73852182185544. Its totient is φ = 21100596950864.

The previous prime is 42201220432429. The next prime is 42201220432487. The reversal of 42201220432444 is 44423402210224.

It is a congruent number.

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, 8595867 + ... + 12581389.

It is an arithmetic number, because the mean of its divisors is an integer number (6154348515462).

Almost surely, 2^{42201220432444} is an apocalyptic number.

It is an amenable number.

42201220432444 is a deficient number, since it is larger than the sum of its proper divisors (31650961753100).

42201220432444 is a wasteful number, since it uses less digits than its factorization.

42201220432444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6632684 (or 6632682 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 34.

Adding to 42201220432444 its reverse (44423402210224), we get a palindrome (86624622642668).

The spelling of 42201220432444 in words is "forty-two trillion, two hundred one billion, two hundred twenty million, four hundred thirty-two thousand, four hundred forty-four".