40830785858 has 16 divisors (see below), whose sum is σ = 62469817920. Its totient is φ = 20008353456.

The previous prime is 40830785839. The next prime is 40830785869. The reversal of 40830785858 is 85858703804.

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, 112160 + ... + 306987.

It is an arithmetic number, because the mean of its divisors is an integer number (3904363620).

Almost surely, 2^40830785858 is an apocalyptic number.

40830785858 is a deficient number, since it is larger than the sum of its proper divisors (21639032062).

40830785858 is a wasteful number, since it uses less digits than its factorization.

40830785858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420121.

The product of its (nonzero) digits is 8601600, while the sum is 56.

The spelling of 40830785858 in words is "forty billion, eight hundred thirty million, seven hundred eighty-five thousand, eight hundred fifty-eight".