442664354 has 8 divisors (see below), whose sum is σ = 724359888. Its totient is φ = 201211060.

The previous prime is 442664347. The next prime is 442664357. The reversal of 442664354 is 453466244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (442664357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10060532 + ... + 10060575.

It is an arithmetic number, because the mean of its divisors is an integer number (90544986).

Almost surely, 2^442664354 is an apocalyptic number.

442664354 is a deficient number, since it is larger than the sum of its proper divisors (281695534).

442664354 is a wasteful number, since it uses less digits than its factorization.

442664354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20121120.

The product of its digits is 276480, while the sum is 38.

The square root of 442664354 is about 21039.5901576053. The cubic root of 442664354 is about 762.1226176613.

The spelling of 442664354 in words is "four hundred forty-two million, six hundred sixty-four thousand, three hundred fifty-four".