451250225320 has 16 divisors (see below), whose sum is σ = 1015313007060. Its totient is φ = 180500090112.

The previous prime is 451250225287. The next prime is 451250225323. The reversal of 451250225320 is 23522052154.

It can be written as a sum of positive squares in 2 ways, for example, as 441594804676 + 9655420644 = 664526^2 + 98262^2 .

It is not an unprimeable number, because it can be changed into a prime (451250225323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5640627777 + ... + 5640627856.

Almost surely, 2^451250225320 is an apocalyptic number.

451250225320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

451250225320 is an abundant number, since it is smaller than the sum of its proper divisors (564062781740).

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

451250225320 is a wasteful number, since it uses less digits than its factorization.

451250225320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11281255644 (or 11281255640 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 451250225320 its reverse (23522052154), we get a palindrome (474772277474).

The spelling of 451250225320 in words is "four hundred fifty-one billion, two hundred fifty million, two hundred twenty-five thousand, three hundred twenty".