442669550799 has 16 divisors (see below), whose sum is σ = 696303564800. Its totient is φ = 244794221280.

The previous prime is 442669550783. The next prime is 442669550819. The reversal of 442669550799 is 997055966244.

It is not a de Polignac number, because 442669550799 - 2⁴ = 442669550783 is a prime.

It is a super-3 number, since 3×442669550799³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442669550749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 339991324 + ... + 339992625.

It is an arithmetic number, because the mean of its divisors is an integer number (43518972800).

Almost surely, 2^442669550799 is an apocalyptic number.

442669550799 is a deficient number, since it is larger than the sum of its proper divisors (253634014001).

442669550799 is a wasteful number, since it uses less digits than its factorization.

442669550799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679983990.

The product of its (nonzero) digits is 146966400, while the sum is 66.

The spelling of 442669550799 in words is "four hundred forty-two billion, six hundred sixty-nine million, five hundred fifty thousand, seven hundred ninety-nine".