441891149 has 16 divisors (see below), whose sum is σ = 542267136. Its totient is φ = 351456000.

The previous prime is 441891097. The next prime is 441891221. The reversal of 441891149 is 941198144.

It is not a de Polignac number, because 441891149 - 2²⁴ = 425113933 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 (441891049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17702 + ... + 34599.

It is an arithmetic number, because the mean of its divisors is an integer number (33891696).

Almost surely, 2^441891149 is an apocalyptic number.

It is an amenable number.

441891149 is a deficient number, since it is larger than the sum of its proper divisors (100375987).

441891149 is a wasteful number, since it uses less digits than its factorization.

441891149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52396.

The product of its digits is 41472, while the sum is 41.

The square root of 441891149 is about 21021.2071251867. The cubic root of 441891149 is about 761.6786240389.

The spelling of 441891149 in words is "four hundred forty-one million, eight hundred ninety-one thousand, one hundred forty-nine".