450471384 has 144 divisors (see below), whose sum is σ = 1388041200. Its totient is φ = 131725440.

The previous prime is 450471383. The next prime is 450471407. The reversal of 450471384 is 483174054.

450471384 is a `hidden beast` number, since 4 + 504 + 71 + 3 + 84 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450471383) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 251757 + ... + 253539.

It is an arithmetic number, because the mean of its divisors is an integer number (9639175).

Almost surely, 2^450471384 is an apocalyptic number.

450471384 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 450471384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (694020600).

450471384 is an abundant number, since it is smaller than the sum of its proper divisors (937569816).

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

450471384 is a wasteful number, since it uses less digits than its factorization.

450471384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1846 (or 1828 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 450471384 is about 21224.3111548997. The cubic root of 450471384 is about 766.5769138368.

The spelling of 450471384 in words is "four hundred fifty million, four hundred seventy-one thousand, three hundred eighty-four".