441063891 has 24 divisors (see below), whose sum is σ = 674079120. Its totient is φ = 277131456.

The previous prime is 441063863. The next prime is 441063899. The reversal of 441063891 is 198360144.

441063891 is a `hidden beast` number, since 4 + 4 + 10 + 638 + 9 + 1 = 666.

It is not a de Polignac number, because 441063891 - 2⁵ = 441063859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (441063899) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27141 + ... + 40233.

It is an arithmetic number, because the mean of its divisors is an integer number (28086630).

Almost surely, 2^441063891 is an apocalyptic number.

441063891 is a deficient number, since it is larger than the sum of its proper divisors (233015229).

441063891 is a wasteful number, since it uses less digits than its factorization.

441063891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13315 (or 13312 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 441063891 is about 21001.5211591923. The cubic root of 441063891 is about 761.2030179616.

The spelling of 441063891 in words is "four hundred forty-one million, sixty-three thousand, eight hundred ninety-one".