42226240445 has 8 divisors (see below), whose sum is σ = 50682222936. Its totient is φ = 33773836096.

The previous prime is 42226240387. The next prime is 42226240487. The reversal of 42226240445 is 54404262224.

It can be written as a sum of positive squares in 4 ways, for example, as 853866841 + 41372373604 = 29221^2 + 203402^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42226240445 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 868502 + ... + 915831.

It is an arithmetic number, because the mean of its divisors is an integer number (6335277867).

Almost surely, 2^42226240445 is an apocalyptic number.

It is an amenable number.

42226240445 is a deficient number, since it is larger than the sum of its proper divisors (8455982491).

42226240445 is a wasteful number, since it uses less digits than its factorization.

42226240445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1789071.

The product of its (nonzero) digits is 122880, while the sum is 35.

The spelling of 42226240445 in words is "forty-two billion, two hundred twenty-six million, two hundred forty thousand, four hundred forty-five".