451223479332 has 96 divisors (see below), whose sum is σ = 1198193673600. Its totient is φ = 146803383936.

The previous prime is 451223479297. The next prime is 451223479339. The reversal of 451223479332 is 233974322154.

451223479332 is a `hidden beast` number, since 4 + 5 + 12 + 234 + 79 + 332 = 666.

It is not an unprimeable number, because it can be changed into a prime (451223479339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 502678 + ... + 1074770.

It is an arithmetic number, because the mean of its divisors is an integer number (12481184100).

Almost surely, 2^451223479332 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 451223479332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (599096836800).

451223479332 is an abundant number, since it is smaller than the sum of its proper divisors (746970194268).

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

451223479332 is a wasteful number, since it uses less digits than its factorization.

451223479332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572282 (or 572274 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 45.

The spelling of 451223479332 in words is "four hundred fifty-one billion, two hundred twenty-three million, four hundred seventy-nine thousand, three hundred thirty-two".