450474738 has 96 divisors (see below), whose sum is σ = 1117831104. Its totient is φ = 120250368.

The previous prime is 450474737. The next prime is 450474767. The reversal of 450474738 is 837474054.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 450474738.

It is not an unprimeable number, because it can be changed into a prime (450474737) by changing a digit.

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, 964381 + ... + 964847.

It is an arithmetic number, because the mean of its divisors is an integer number (11644074).

Almost surely, 2^450474738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 450474738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (558915552).

450474738 is an abundant number, since it is smaller than the sum of its proper divisors (667356366).

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

450474738 is a wasteful number, since it uses less digits than its factorization.

450474738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696 (or 689 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 42.

The square root of 450474738 is about 21224.3901679177. The cubic root of 450474738 is about 766.5788163569.

The spelling of 450474738 in words is "four hundred fifty million, four hundred seventy-four thousand, seven hundred thirty-eight".