442836026 has 8 divisors (see below), whose sum is σ = 703327860. Its totient is φ = 208393408.

The previous prime is 442836011. The next prime is 442836047. The reversal of 442836026 is 620638244.

It can be written as a sum of positive squares in 2 ways, for example, as 418816225 + 24019801 = 20465^2 + 4901^2 .

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

It is a super-2 number, since 2×442836026² = 392207491846945352, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6512261 + ... + 6512328.

Almost surely, 2^442836026 is an apocalyptic number.

442836026 is a deficient number, since it is larger than the sum of its proper divisors (260491834).

442836026 is a wasteful number, since it uses less digits than its factorization.

442836026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13024608.

The product of its (nonzero) digits is 55296, while the sum is 35.

The square root of 442836026 is about 21043.6694994005. The cubic root of 442836026 is about 762.2211258599.

The spelling of 442836026 in words is "four hundred forty-two million, eight hundred thirty-six thousand, twenty-six".