42242220424406 has 16 divisors (see below), whose sum is σ = 66118892734944. Its totient is φ = 20202607142784.

The previous prime is 42242220424381. The next prime is 42242220424447. The reversal of 42242220424406 is 60442402224224.

It is a self number, because there is not a number n which added to its sum of digits gives 42242220424406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 495326 + ... + 9204878.

It is an arithmetic number, because the mean of its divisors is an integer number (4132430795934).

Almost surely, 2^{42242220424406} is an apocalyptic number.

42242220424406 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

42242220424406 is a deficient number, since it is larger than the sum of its proper divisors (23876672310538).

42242220424406 is a wasteful number, since it uses less digits than its factorization.

42242220424406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8815015.

The product of its (nonzero) digits is 393216, while the sum is 38.

The spelling of 42242220424406 in words is "forty-two trillion, two hundred forty-two billion, two hundred twenty million, four hundred twenty-four thousand, four hundred six".