451143132074140 has 96 divisors (see below), whose sum is σ = 1046146684068864. Its totient is φ = 162049696623360.

The previous prime is 451143132074123. The next prime is 451143132074191. The reversal of 451143132074140 is 41470231341154.

It is a junction number, because it is equal to n+sod(n) for n = 451143132074093 and 451143132074102.

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 31 ways as a sum of consecutive naturals, for example, 112835722 + ... + 116765518.

It is an arithmetic number, because the mean of its divisors is an integer number (10897361292384).

Almost surely, 2^{451143132074140} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 451143132074140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (523073342034432).

451143132074140 is an abundant number, since it is smaller than the sum of its proper divisors (595003551994724).

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

451143132074140 is a wasteful number, since it uses less digits than its factorization.

451143132074140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3936187 (or 3936185 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 451143132074140 in words is "four hundred fifty-one trillion, one hundred forty-three billion, one hundred thirty-two million, seventy-four thousand, one hundred forty".