450251832 has 64 divisors (see below), whose sum is σ = 1158312960. Its totient is φ = 145760000.

The previous prime is 450251761. The next prime is 450251863. The reversal of 450251832 is 238152054.

It is a self number, because there is not a number n which added to its sum of digits gives 450251832.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246073 + ... + 247895.

It is an arithmetic number, because the mean of its divisors is an integer number (18098640).

Almost surely, 2^450251832 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 450251832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (579156480).

450251832 is an abundant number, since it is smaller than the sum of its proper divisors (708061128).

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

450251832 is a wasteful number, since it uses less digits than its factorization.

450251832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2124 (or 2120 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 450251832 is about 21219.1383425435. The cubic root of 450251832 is about 766.4523548002.

The spelling of 450251832 in words is "four hundred fifty million, two hundred fifty-one thousand, eight hundred thirty-two".