450718444 has 24 divisors (see below), whose sum is σ = 866250000. Its totient is φ = 203494080.

The previous prime is 450718439. The next prime is 450718451. The reversal of 450718444 is 444817054.

It is a happy number.

It is a super-2 number, since 2×450718444² = 406294231523562272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27819 + ... + 40930.

It is an arithmetic number, because the mean of its divisors is an integer number (36093750).

Almost surely, 2^450718444 is an apocalyptic number.

450718444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

450718444 is a deficient number, since it is larger than the sum of its proper divisors (415531556).

450718444 is a wasteful number, since it uses less digits than its factorization.

450718444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68913 (or 68911 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 37.

The square root of 450718444 is about 21230.1305695467. The cubic root of 450718444 is about 766.7170306759.

The spelling of 450718444 in words is "four hundred fifty million, seven hundred eighteen thousand, four hundred forty-four".