442377263 has 8 divisors (see below), whose sum is σ = 447572400. Its totient is φ = 437203008.

The previous prime is 442377253. The next prime is 442377329. The reversal of 442377263 is 362773244.

It is a happy number.

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 442377263 - 2¹⁰ = 442376239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442377253) 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, 39620 + ... + 49542.

It is an arithmetic number, because the mean of its divisors is an integer number (55946550).

Almost surely, 2^442377263 is an apocalyptic number.

442377263 is a deficient number, since it is larger than the sum of its proper divisors (5195137).

442377263 is a wasteful number, since it uses less digits than its factorization.

442377263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10441.

The product of its digits is 169344, while the sum is 38.

The square root of 442377263 is about 21032.7664133846. The cubic root of 442377263 is about 761.9578232294.

The spelling of 442377263 in words is "four hundred forty-two million, three hundred seventy-seven thousand, two hundred sixty-three".