40196817 has 24 divisors (see below), whose sum is σ = 60968544. Its totient is φ = 26461728.

The previous prime is 40196791. The next prime is 40196833. The reversal of 40196817 is 71869104.

40196817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40196817 - 2⁶ = 40196753 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (40196017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19173 + ... + 21165.

It is an arithmetic number, because the mean of its divisors is an integer number (2540356).

Almost surely, 2^40196817 is an apocalyptic number.

It is an amenable number.

40196817 is a deficient number, since it is larger than the sum of its proper divisors (20771727).

40196817 is an equidigital number, since it uses as much as digits as its factorization.

40196817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091 (or 2079 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 40196817 is about 6340.0959771915. The cubic root of 40196817 is about 342.5551924126. Note that the first 3 decimals are identical.

The spelling of 40196817 in words is "forty million, one hundred ninety-six thousand, eight hundred seventeen".