449018331 has 24 divisors (see below), whose sum is σ = 640720080. Its totient is φ = 278740992.

The previous prime is 449018299. The next prime is 449018333. The reversal of 449018331 is 133810944.

It is not a de Polignac number, because 449018331 - 2⁵ = 449018299 is a prime.

It is a super-2 number, since 2×449018331² = 403234923148051122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 449018292 and 449018301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449018333) 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, 583515 + ... + 584283.

It is an arithmetic number, because the mean of its divisors is an integer number (26696670).

Almost surely, 2^449018331 is an apocalyptic number.

449018331 is a deficient number, since it is larger than the sum of its proper divisors (191701749).

449018331 is a wasteful number, since it uses less digits than its factorization.

449018331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003 (or 896 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 449018331 is about 21190.0526426906. The cubic root of 449018331 is about 765.7517954345.

The spelling of 449018331 in words is "four hundred forty-nine million, eighteen thousand, three hundred thirty-one".