442909411 has 8 divisors (see below), whose sum is σ = 506416640. Its totient is φ = 379460808.

The previous prime is 442909409. The next prime is 442909421. The reversal of 442909411 is 114909244.

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

It is a cyclic number.

It is not a de Polignac number, because 442909411 - 2¹ = 442909409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442909421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2950 + ... + 29908.

It is an arithmetic number, because the mean of its divisors is an integer number (63302080).

Almost surely, 2^442909411 is an apocalyptic number.

442909411 is a deficient number, since it is larger than the sum of its proper divisors (63507229).

442909411 is a wasteful number, since it uses less digits than its factorization.

442909411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29313.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 442909411 is about 21045.4130631832. The cubic root of 442909411 is about 762.2632276045.

The spelling of 442909411 in words is "four hundred forty-two million, nine hundred nine thousand, four hundred eleven".