40093794 has 24 divisors (see below), whose sum is σ = 93552732. Its totient is φ = 12336480.

The previous prime is 40093793. The next prime is 40093813. The reversal of 40093794 is 49739004.

It can be written as a sum of positive squares in 2 ways, for example, as 34963569 + 5130225 = 5913^2 + 2265^2 .

It is not an unprimeable number, because it can be changed into a prime (40093793) 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 11 ways as a sum of consecutive naturals, for example, 85437 + ... + 85904.

Almost surely, 2^40093794 is an apocalyptic number.

40093794 is an abundant number, since it is smaller than the sum of its proper divisors (53458938).

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

40093794 is a wasteful number, since it uses less digits than its factorization.

40093794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171362 (or 171359 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 40093794 is about 6331.9660453922. The cubic root of 40093794 is about 342.2622898137.

The spelling of 40093794 in words is "forty million, ninety-three thousand, seven hundred ninety-four".