40873858816 has 108 divisors (see below), whose sum is σ = 95659592448. Its totient is φ = 17378758656.

The previous prime is 40873858793. The next prime is 40873858853. The reversal of 40873858816 is 61885837804.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1580260 + ... + 1605916.

Almost surely, 2^40873858816 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 40873858816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47829796224).

40873858816 is an abundant number, since it is smaller than the sum of its proper divisors (54785733632).

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

40873858816 is a wasteful number, since it uses less digits than its factorization.

40873858816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25814 (or 25793 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 58.

The spelling of 40873858816 in words is "forty billion, eight hundred seventy-three million, eight hundred fifty-eight thousand, eight hundred sixteen".