451443253510020 has 48 divisors (see below), whose sum is σ = 1294871380806528. Its totient is φ = 117448651319040.

The previous prime is 451443253510003. The next prime is 451443253510033. The reversal of 451443253510020 is 20015352344154.

It is a super-2 number, since 2×451443253510020² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91756756384 + ... + 91756761303.

It is an arithmetic number, because the mean of its divisors is an integer number (26976487100136).

Almost surely, 2^{451443253510020} is an apocalyptic number.

It is an amenable number.

451443253510020 is an abundant number, since it is smaller than the sum of its proper divisors (843428127296508).

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

451443253510020 is a wasteful number, since it uses less digits than its factorization.

451443253510020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183513517740 (or 183513517738 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

The spelling of 451443253510020 in words is "four hundred fifty-one trillion, four hundred forty-three billion, two hundred fifty-three million, five hundred ten thousand, twenty".