450551340 has 144 divisors (see below), whose sum is σ = 1460991168. Its totient is φ = 111992832.

The previous prime is 450551327. The next prime is 450551363. The reversal of 450551340 is 43155054.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 345129 + ... + 346431.

It is an arithmetic number, because the mean of its divisors is an integer number (10145772).

Almost surely, 2^450551340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 450551340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (730495584).

450551340 is an abundant number, since it is smaller than the sum of its proper divisors (1010439828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

450551340 is a wasteful number, since it uses less digits than its factorization.

450551340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448 (or 1443 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 450551340 is about 21226.1946660253. The cubic root of 450551340 is about 766.6222654395.

The spelling of 450551340 in words is "four hundred fifty million, five hundred fifty-one thousand, three hundred forty".