450731232 has 72 divisors (see below), whose sum is σ = 1464883056. Its totient is φ = 128779776.

The previous prime is 450731221. The next prime is 450731249. The reversal of 450731232 is 232137054.

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 450731196 and 450731205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109773 + ... + 113804.

It is an arithmetic number, because the mean of its divisors is an integer number (20345598).

Almost surely, 2^450731232 is an apocalyptic number.

450731232 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

450731232 is an abundant number, since it is smaller than the sum of its proper divisors (1014151824).

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

450731232 is a wasteful number, since it uses less digits than its factorization.

450731232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223600 (or 223589 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 450731232 is about 21230.4317431370. The cubic root of 450731232 is about 766.7242818285.

Adding to 450731232 its reverse (232137054), we get a palindrome (682868286).

The spelling of 450731232 in words is "four hundred fifty million, seven hundred thirty-one thousand, two hundred thirty-two".