5816109393840 has 80 divisors (see below), whose sum is σ = 18079067294208. Its totient is φ = 1546736425728.

The previous prime is 5816109393751. The next prime is 5816109393859. The reversal of 5816109393840 is 483939016185.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×5816109393840² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 32927982 + ... + 33104141.

Almost surely, 2^{5816109393840} is an apocalyptic number.

It is an amenable number.

5816109393840 is an abundant number, since it is smaller than the sum of its proper divisors (12262957900368).

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

5816109393840 is a wasteful number, since it uses less digits than its factorization.

5816109393840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66032506 (or 66032500 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 57.

The spelling of 5816109393840 in words is "five trillion, eight hundred sixteen billion, one hundred nine million, three hundred ninety-three thousand, eight hundred forty".