442326366 has 32 divisors (see below), whose sum is σ = 1040770080. Its totient is φ = 138768768.

The previous prime is 442326343. The next prime is 442326371. The reversal of 442326366 is 663623244.

It is a super-2 number, since 2×442326366² = 391305228117531912, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 442326366.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240001 + ... + 241836.

It is an arithmetic number, because the mean of its divisors is an integer number (32524065).

Almost surely, 2^442326366 is an apocalyptic number.

442326366 is an abundant number, since it is smaller than the sum of its proper divisors (598443714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442326366 is a wasteful number, since it uses less digits than its factorization.

442326366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481865 (or 481859 counting only the distinct ones).

The product of its digits is 124416, while the sum is 36.

The square root of 442326366 is about 21031.5564331316. The cubic root of 442326366 is about 761.9286001672.

The spelling of 442326366 in words is "four hundred forty-two million, three hundred twenty-six thousand, three hundred sixty-six".