40055593865712 has 160 divisors (see below), whose sum is σ = 107131348869120. Its totient is φ = 12882898298880.

The previous prime is 40055593865669. The next prime is 40055593865719. The reversal of 40055593865712 is 21756839555004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40055593865719) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3938985364 + ... + 3938995532.

It is an arithmetic number, because the mean of its divisors is an integer number (669570930432).

It is a 1-persistent number, because it is pandigital, but 2⋅40055593865712 = 80111187731424 is not.

Almost surely, 2^{40055593865712} 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 40055593865712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53565674434560).

40055593865712 is an abundant number, since it is smaller than the sum of its proper divisors (67075755003408).

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

40055593865712 is a wasteful number, since it uses less digits than its factorization.

40055593865712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17791 (or 17785 counting only the distinct ones).

The product of its (nonzero) digits is 45360000, while the sum is 60.

The spelling of 40055593865712 in words is "forty trillion, fifty-five billion, five hundred ninety-three million, eight hundred sixty-five thousand, seven hundred twelve".