451225124500 has 24 divisors (see below), whose sum is σ = 985475673000. Its totient is φ = 180490049600.

The previous prime is 451225124447. The next prime is 451225124513. The reversal of 451225124500 is 5421522154.

It can be written as a sum of positive squares in 4 ways, for example, as 108171263236 + 343053861264 = 328894^2 + 585708^2 .

It is a super-2 number, since 2×451225124500² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451224625 + ... + 451225624.

It is an arithmetic number, because the mean of its divisors is an integer number (41061486375).

Almost surely, 2^451225124500 is an apocalyptic number.

It is an amenable number.

451225124500 is an abundant number, since it is smaller than the sum of its proper divisors (534250548500).

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

451225124500 is a wasteful number, since it uses less digits than its factorization.

451225124500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902450268 (or 902450256 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 451225124500 its reverse (5421522154), we get a palindrome (456646646654).

The spelling of 451225124500 in words is "four hundred fifty-one billion, two hundred twenty-five million, one hundred twenty-four thousand, five hundred".