451112301661440 has 72 divisors (see below), whose sum is σ = 1440739913443488. Its totient is φ = 120296613775360.

The previous prime is 451112301661397. The next prime is 451112301661523. The reversal of 451112301661440 is 44166103211154.

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, 58738577106 + ... + 58738584785.

It is an arithmetic number, because the mean of its divisors is an integer number (20010276575604).

Almost surely, 2^{451112301661440} is an apocalyptic number.

451112301661440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

451112301661440 is an abundant number, since it is smaller than the sum of its proper divisors (989627611782048).

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

451112301661440 is a wasteful number, since it uses less digits than its factorization.

451112301661440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117477161915 (or 117477161901 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

Adding to 451112301661440 its reverse (44166103211154), we get a palindrome (495278404872594).

The spelling of 451112301661440 in words is "four hundred fifty-one trillion, one hundred twelve billion, three hundred one million, six hundred sixty-one thousand, four hundred forty".