442140033 has 8 divisors (see below), whose sum is σ = 592575328. Its totient is φ = 293232384.

The previous prime is 442140001. The next prime is 442140053. The reversal of 442140033 is 330041244.

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

It is not a de Polignac number, because 442140033 - 2⁵ = 442140001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 442139991 and 442140009.

It is not an unprimeable number, because it can be changed into a prime (442140053) 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, 381235 + ... + 382392.

It is an arithmetic number, because the mean of its divisors is an integer number (74071916).

Almost surely, 2^442140033 is an apocalyptic number.

It is an amenable number.

442140033 is a deficient number, since it is larger than the sum of its proper divisors (150435295).

442140033 is a wasteful number, since it uses less digits than its factorization.

442140033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763823.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 442140033 is about 21027.1261231772. The cubic root of 442140033 is about 761.8215959330.

Adding to 442140033 its reverse (330041244), we get a palindrome (772181277).

The spelling of 442140033 in words is "four hundred forty-two million, one hundred forty thousand, thirty-three".