451516405554036 has 18 divisors (see below), whose sum is σ = 1141333136261682. Its totient is φ = 150505468518000.

The previous prime is 451516405554007. The next prime is 451516405554077. The reversal of 451516405554036 is 630455504615154.

451516405554036 is a `hidden beast` number, since 4 + 5 + 1 + 5 + 1 + 6 + 40 + 55 + 540 + 3 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 357378985980900 + 94137419573136 = 18904470^2 + 9702444^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×451516405554036² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6271061188215 + ... + 6271061188286.

Almost surely, 2^{451516405554036} is an apocalyptic number.

It is an amenable number.

451516405554036 is an abundant number, since it is smaller than the sum of its proper divisors (689816730707646).

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

451516405554036 is a wasteful number, since it uses less digits than its factorization.

451516405554036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12542122376511 (or 12542122376506 counting only the distinct ones).

The product of its (nonzero) digits is 21600000, while the sum is 54.

The spelling of 451516405554036 in words is "four hundred fifty-one trillion, five hundred sixteen billion, four hundred five million, five hundred fifty-four thousand, thirty-six".