40816868850 has 36 divisors (see below), whose sum is σ = 109661322186. Its totient is φ = 10884498240.

The previous prime is 40816868839. The next prime is 40816868857. The reversal of 40816868850 is 5886861804.

It can be written as a sum of positive squares in 3 ways, for example, as 36994290921 + 3822577929 = 192339^2 + 61827^2 .

It is not an unprimeable number, because it can be changed into a prime (40816868857) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 45351627 + ... + 45352526.

Almost surely, 2^40816868850 is an apocalyptic number.

40816868850 is an abundant number, since it is smaller than the sum of its proper divisors (68844453336).

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

40816868850 is a wasteful number, since it uses less digits than its factorization.

40816868850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90704171 (or 90704163 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 54.

The spelling of 40816868850 in words is "forty billion, eight hundred sixteen million, eight hundred sixty-eight thousand, eight hundred fifty".