450004284 has 72 divisors (see below), whose sum is σ = 1201840640. Its totient is φ = 141577632.

The previous prime is 450004283. The next prime is 450004301. The reversal of 450004284 is 482400054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450004283) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 208917 + ... + 211059.

Almost surely, 2^450004284 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 450004284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (600920320).

450004284 is an abundant number, since it is smaller than the sum of its proper divisors (751836356).

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

450004284 is a wasteful number, since it uses less digits than its factorization.

450004284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2479 (or 2474 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 450004284 is about 21213.3044102045. The cubic root of 450004284 is about 766.3118641411.

It can be divided in two parts, 45000 and 4284, that added together give a square (49284 = 222²).

The spelling of 450004284 in words is "four hundred fifty million, four thousand, two hundred eighty-four".