40217494850 has 24 divisors (see below), whose sum is σ = 80558737140. Its totient is φ = 14849536320.

The previous prime is 40217494841. The next prime is 40217494861. The reversal of 40217494850 is 5849471204.

It is a Cunningham number, because it is equal to 200543²+1.

It can be written as a sum of positive squares in 6 ways, for example, as 493417369 + 39724077481 = 22213^2 + 199309^2 .

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, 30935885 + ... + 30937184.

Almost surely, 2^40217494850 is an apocalyptic number.

40217494850 is an abundant number, since it is smaller than the sum of its proper divisors (40341242290).

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

40217494850 is a wasteful number, since it uses less digits than its factorization.

40217494850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61873094 (or 61873089 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 40217494850 in words is "forty billion, two hundred seventeen million, four hundred ninety-four thousand, eight hundred fifty".