441978263 has 8 divisors (see below), whose sum is σ = 449919360. Its totient is φ = 434052280.

The previous prime is 441978233. The next prime is 441978293. The reversal of 441978263 is 362879144.

It is an interprime number because it is at equal distance from previous prime (441978233) and next prime (441978293).

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 441978263 - 2¹⁴ = 441961879 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 (441978203) 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, 66878 + ... + 73188.

It is an arithmetic number, because the mean of its divisors is an integer number (56239920).

Almost surely, 2^441978263 is an apocalyptic number.

441978263 is a deficient number, since it is larger than the sum of its proper divisors (7941097).

441978263 is a wasteful number, since it uses less digits than its factorization.

441978263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7557.

The product of its digits is 290304, while the sum is 44.

The square root of 441978263 is about 21023.2790734462. The cubic root of 441978263 is about 761.7286729496.

The spelling of 441978263 in words is "four hundred forty-one million, nine hundred seventy-eight thousand, two hundred sixty-three".