4242009121626 has 16 divisors (see below), whose sum is σ = 8484103866528. Its totient is φ = 1413988770000.

The previous prime is 4242009121619. The next prime is 4242009121643. The reversal of 4242009121626 is 6261219002424.

It is a happy 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, 2914380 + ... + 4120391.

It is an arithmetic number, because the mean of its divisors is an integer number (530256491658).

Almost surely, 2^{4242009121626} is an apocalyptic number.

4242009121626 is an abundant number, since it is smaller than the sum of its proper divisors (4242094744902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4242009121626 is a wasteful number, since it uses less digits than its factorization.

4242009121626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7135277.

The product of its (nonzero) digits is 82944, while the sum is 39.

The spelling of 4242009121626 in words is "four trillion, two hundred forty-two billion, nine million, one hundred twenty-one thousand, six hundred twenty-six".