40055173216 has 48 divisors (see below), whose sum is σ = 80638225920. Its totient is φ = 19576702080.

The previous prime is 40055173183. The next prime is 40055173241. The reversal of 40055173216 is 61237155004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1203325 + ... + 1236163.

It is an arithmetic number, because the mean of its divisors is an integer number (1679963040).

Almost surely, 2^40055173216 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 40055173216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40319112960).

40055173216 is an abundant number, since it is smaller than the sum of its proper divisors (40583052704).

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

40055173216 is a wasteful number, since it uses less digits than its factorization.

40055173216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33707 (or 33699 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The spelling of 40055173216 in words is "forty billion, fifty-five million, one hundred seventy-three thousand, two hundred sixteen".