40850890857 has 24 divisors (see below), whose sum is σ = 67442032320. Its totient is φ = 23341413600.

The previous prime is 40850890807. The next prime is 40850890859. The reversal of 40850890857 is 75809805804.

40850890857 is a `hidden beast` number, since 40 + 8 + 508 + 90 + 8 + 5 + 7 = 666.

It is not a de Polignac number, because 40850890857 - 2⁸ = 40850890601 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 1102482 + ... + 1138932.

It is an arithmetic number, because the mean of its divisors is an integer number (2810084680).

Almost surely, 2^40850890857 is an apocalyptic number.

It is an amenable number.

40850890857 is a deficient number, since it is larger than the sum of its proper divisors (26591141463).

40850890857 is a wasteful number, since it uses less digits than its factorization.

40850890857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54253 (or 54250 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 54.

The spelling of 40850890857 in words is "forty billion, eight hundred fifty million, eight hundred ninety thousand, eight hundred fifty-seven".