451530240500550 has 96 divisors (see below), whose sum is σ = 1163008935521280. Its totient is φ = 115809062083200.

The previous prime is 451530240500497. The next prime is 451530240500611. The reversal of 451530240500550 is 55005042035154.

It is a junction number, because it is equal to n+sod(n) for n = 451530240500499 and 451530240500508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 297104865 + ... + 298620764.

It is an arithmetic number, because the mean of its divisors is an integer number (12114676411680).

Almost surely, 2^{451530240500550} is an apocalyptic number.

451530240500550 is an abundant number, since it is smaller than the sum of its proper divisors (711478695020730).

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

451530240500550 is a wasteful number, since it uses less digits than its factorization.

451530240500550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595725838 (or 595725833 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 39.

The spelling of 451530240500550 in words is "four hundred fifty-one trillion, five hundred thirty billion, two hundred forty million, five hundred thousand, five hundred fifty".