442010013 has 8 divisors (see below), whose sum is σ = 624014208. Its totient is φ = 277339584.

The previous prime is 442009973. The next prime is 442010017. The reversal of 442010013 is 310010244.

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

It is not a de Polignac number, because 442010013 - 2¹² = 442005917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 442009974 and 442010001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442010017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4333381 + ... + 4333482.

It is an arithmetic number, because the mean of its divisors is an integer number (78001776).

Almost surely, 2^442010013 is an apocalyptic number.

It is an amenable number.

442010013 is a deficient number, since it is larger than the sum of its proper divisors (182004195).

442010013 is a wasteful number, since it uses less digits than its factorization.

442010013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8666883.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 442010013 is about 21024.0341752005. The cubic root of 442010013 is about 761.7469123882.

Adding to 442010013 its reverse (310010244), we get a palindrome (752020257).

The spelling of 442010013 in words is "four hundred forty-two million, ten thousand, thirteen".