450732272520 has 64 divisors (see below), whose sum is σ = 1356282123840. Its totient is φ = 119832134400.

The previous prime is 450732272491. The next prime is 450732272579. The reversal of 450732272520 is 25272237054.

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, 5634151 + ... + 5713590.

It is an arithmetic number, because the mean of its divisors is an integer number (21191908185).

Almost surely, 2^450732272520 is an apocalyptic number.

450732272520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

450732272520 is an abundant number, since it is smaller than the sum of its proper divisors (905549851320).

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

450732272520 is a wasteful number, since it uses less digits than its factorization.

450732272520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11348086 (or 11348082 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 39.

The spelling of 450732272520 in words is "four hundred fifty billion, seven hundred thirty-two million, two hundred seventy-two thousand, five hundred twenty".