451532114220 has 192 divisors, whose sum is σ = 1411865634816. Its totient is φ = 106882744320.

The previous prime is 451532114213. The next prime is 451532114221. The reversal of 451532114220 is 22411235154.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (451532114221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13414852 + ... + 13448468.

It is an arithmetic number, because the mean of its divisors is an integer number (7353466848).

Almost surely, 2^451532114220 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 451532114220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (705932817408).

451532114220 is an abundant number, since it is smaller than the sum of its proper divisors (960333520596).

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

451532114220 is a wasteful number, since it uses less digits than its factorization.

451532114220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34120 (or 34118 counting only the distinct ones).

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

Adding to 451532114220 its reverse (22411235154), we get a palindrome (473943349374).

The spelling of 451532114220 in words is "four hundred fifty-one billion, five hundred thirty-two million, one hundred fourteen thousand, two hundred twenty".