442354692 has 48 divisors (see below), whose sum is σ = 1121988672. Its totient is φ = 134832000.

The previous prime is 442354667. The next prime is 442354697. The reversal of 442354692 is 296453244.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 442354692.

It is not an unprimeable number, because it can be changed into a prime (442354697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3442 + ... + 29942.

It is an arithmetic number, because the mean of its divisors is an integer number (23374764).

Almost surely, 2^442354692 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 442354692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (560994336).

442354692 is an abundant number, since it is smaller than the sum of its proper divisors (679633980).

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

442354692 is a wasteful number, since it uses less digits than its factorization.

442354692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26628 (or 26626 counting only the distinct ones).

The product of its digits is 207360, while the sum is 39.

The square root of 442354692 is about 21032.2298389876. The cubic root of 442354692 is about 761.9448641226.

The spelling of 442354692 in words is "four hundred forty-two million, three hundred fifty-four thousand, six hundred ninety-two".