40850890856 has 16 divisors (see below), whose sum is σ = 76601543940. Its totient is φ = 20423812480.

The previous prime is 40850890807. The next prime is 40850890859. The reversal of 40850890856 is 65809805804.

It can be written as a sum of positive squares in 2 ways, for example, as 40709518756 + 141372100 = 201766^2 + 11890^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40850890798 and 40850890807.

It is not an unprimeable number, because it can be changed into a prime (40850890859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94325 + ... + 300996.

Almost surely, 2^40850890856 is an apocalyptic number.

It is an amenable number.

40850890856 is a deficient number, since it is larger than the sum of its proper divisors (35750653084).

40850890856 is a wasteful number, since it uses less digits than its factorization.

40850890856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408244 (or 408240 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 53.

The spelling of 40850890856 in words is "forty billion, eight hundred fifty million, eight hundred ninety thousand, eight hundred fifty-six".