442471235 has 8 divisors (see below), whose sum is σ = 531103200. Its totient is φ = 353885184.

The previous prime is 442471231. The next prime is 442471261. The reversal of 442471235 is 532174244.

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 442471235 - 2² = 442471231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442471231) 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, 15491 + ... + 33539.

It is an arithmetic number, because the mean of its divisors is an integer number (66387900).

Almost surely, 2^442471235 is an apocalyptic number.

442471235 is a deficient number, since it is larger than the sum of its proper divisors (88631965).

442471235 is a wasteful number, since it uses less digits than its factorization.

442471235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22957.

The product of its digits is 26880, while the sum is 32.

The square root of 442471235 is about 21035.0002376991. Note that the first 3 decimals coincide. The cubic root of 442471235 is about 762.0117723787.

The spelling of 442471235 in words is "four hundred forty-two million, four hundred seventy-one thousand, two hundred thirty-five".