442800305247 has 8 divisors (see below), whose sum is σ = 610759041840. Its totient is φ = 285020886080.

The previous prime is 442800305219. The next prime is 442800305261. The reversal of 442800305247 is 742503008244.

It is a happy number.

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 442800305247 - 2⁷ = 442800305119 is a prime.

It is a super-2 number, since 2×442800305247² (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 (442800309247) 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, 2544829254 + ... + 2544829427.

It is an arithmetic number, because the mean of its divisors is an integer number (76344880230).

Almost surely, 2^442800305247 is an apocalyptic number.

442800305247 is a deficient number, since it is larger than the sum of its proper divisors (167958736593).

442800305247 is a wasteful number, since it uses less digits than its factorization.

442800305247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5089658713.

The product of its (nonzero) digits is 215040, while the sum is 39.

The spelling of 442800305247 in words is "four hundred forty-two billion, eight hundred million, three hundred five thousand, two hundred forty-seven".