442820376 has 24 divisors (see below), whose sum is σ = 1199305380. Its totient is φ = 147606768.

The previous prime is 442820351. The next prime is 442820383. The reversal of 442820376 is 673028244.

442820376 is a `hidden beast` number, since 4 + 4 + 282 + 0 + 376 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 442820376.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3075070 + ... + 3075213.

Almost surely, 2^442820376 is an apocalyptic number.

It is an amenable number.

442820376 is an abundant number, since it is smaller than the sum of its proper divisors (756485004).

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

442820376 is a wasteful number, since it uses less digits than its factorization.

442820376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6150295 (or 6150288 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 442820376 is about 21043.2976503209. The cubic root of 442820376 is about 762.2121466890.

The spelling of 442820376 in words is "four hundred forty-two million, eight hundred twenty thousand, three hundred seventy-six".