451521313230 has 64 divisors (see below), whose sum is σ = 1167797352960. Its totient is φ = 111068620416.

The previous prime is 451521313213. The next prime is 451521313249. The reversal of 451521313230 is 32313125154.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 188031 + ... + 968709.

It is an arithmetic number, because the mean of its divisors is an integer number (18246833640).

Almost surely, 2^451521313230 is an apocalyptic number.

451521313230 is an abundant number, since it is smaller than the sum of its proper divisors (716276039730).

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

451521313230 is a wasteful number, since it uses less digits than its factorization.

451521313230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782185.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 451521313230 its reverse (32313125154), we get a palindrome (483834438384).

The spelling of 451521313230 in words is "four hundred fifty-one billion, five hundred twenty-one million, three hundred thirteen thousand, two hundred thirty".