442613023145426 has 32 divisors (see below), whose sum is σ = 765902412000000. Its totient is φ = 187907788636992.

The previous prime is 442613023145417. The next prime is 442613023145429. The reversal of 442613023145426 is 624541320316244.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (442613023145429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26709926 + ... + 39983073.

It is an arithmetic number, because the mean of its divisors is an integer number (23934450375000).

Almost surely, 2^{442613023145426} is an apocalyptic number.

442613023145426 is a deficient number, since it is larger than the sum of its proper divisors (323289388854574).

442613023145426 is a wasteful number, since it uses less digits than its factorization.

442613023145426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66697466.

The product of its (nonzero) digits is 3317760, while the sum is 47.

The spelling of 442613023145426 in words is "four hundred forty-two trillion, six hundred thirteen billion, twenty-three million, one hundred forty-five thousand, four hundred twenty-six".