40493196 has 30 divisors (see below), whose sum is σ = 105858060. Its totient is φ = 13497624.

The previous prime is 40493191. The next prime is 40493197. The reversal of 40493196 is 69139404.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 40493196.

It is not an unprimeable number, because it can be changed into a prime (40493191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 62166 + ... + 62813.

It is an arithmetic number, because the mean of its divisors is an integer number (3528602).

Almost surely, 2^40493196 is an apocalyptic number.

It is an amenable number.

40493196 is an abundant number, since it is smaller than the sum of its proper divisors (65364864).

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

40493196 is a wasteful number, since it uses less digits than its factorization.

40493196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124995 (or 124984 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 40493196 is about 6363.4264354984. The cubic root of 40493196 is about 343.3950404897.

The spelling of 40493196 in words is "forty million, four hundred ninety-three thousand, one hundred ninety-six".