5811916432140 has 432 divisors, whose sum is σ = 22010202422208. Its totient is φ = 1215393693696.

The previous prime is 5811916432123. The next prime is 5811916432141. The reversal of 5811916432140 is 412346191185.

5811916432140 is a `hidden beast` number, since 5 + 81 + 191 + 64 + 321 + 4 + 0 = 666.

It is a super-2 number, since 2×5811916432140² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (5811916432141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 23941452 + ... + 24182988.

It is an arithmetic number, because the mean of its divisors is an integer number (50949542644).

Almost surely, 2^{5811916432140} 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 5811916432140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11005101211104).

5811916432140 is an abundant number, since it is smaller than the sum of its proper divisors (16198285990068).

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

5811916432140 is a wasteful number, since it uses less digits than its factorization.

5811916432140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241698 (or 241680 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 5811916432140 in words is "five trillion, eight hundred eleven billion, nine hundred sixteen million, four hundred thirty-two thousand, one hundred forty".