450881199 has 18 divisors (see below), whose sum is σ = 665453880. Its totient is φ = 294179016.

The previous prime is 450881147. The next prime is 450881303. The reversal of 450881199 is 991188054.

450881199 is a `hidden beast` number, since 450 + 8 + 8 + 1 + 199 = 666.

It is not a de Polignac number, because 450881199 - 2⁸ = 450880943 is a prime.

It is a super-2 number, since 2×450881199² = 406587711223355202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450881699) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8542 + ... + 31220.

It is an arithmetic number, because the mean of its divisors is an integer number (36969660).

Almost surely, 2^450881199 is an apocalyptic number.

450881199 is a deficient number, since it is larger than the sum of its proper divisors (214572681).

450881199 is a wasteful number, since it uses less digits than its factorization.

450881199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22779 (or 22729 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 45.

The square root of 450881199 is about 21233.9633370692. The cubic root of 450881199 is about 766.8093070661.

The spelling of 450881199 in words is "four hundred fifty million, eight hundred eighty-one thousand, one hundred ninety-nine".