442887174309 has 8 divisors (see below), whose sum is σ = 590615887680. Its totient is φ = 295208288576.

The previous prime is 442887174299. The next prime is 442887174319. The reversal of 442887174309 is 903471788244.

It is an interprime number because it is at equal distance from previous prime (442887174299) and next prime (442887174319).

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

It is a cyclic number.

It is not a de Polignac number, because 442887174309 - 2⁹ = 442887173797 is a prime.

It is a super-2 number, since 2×442887174309² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442887174319) 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, 12436164 + ... + 12471725.

It is an arithmetic number, because the mean of its divisors is an integer number (73826985960).

Almost surely, 2^442887174309 is an apocalyptic number.

It is an amenable number.

442887174309 is a deficient number, since it is larger than the sum of its proper divisors (147728713371).

442887174309 is a wasteful number, since it uses less digits than its factorization.

442887174309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24913819.

The product of its (nonzero) digits is 10838016, while the sum is 57.

The spelling of 442887174309 in words is "four hundred forty-two billion, eight hundred eighty-seven million, one hundred seventy-four thousand, three hundred nine".