40094392 has 32 divisors (see below), whose sum is σ = 82943280. Its totient is φ = 18051840.

The previous prime is 40094363. The next prime is 40094393. The reversal of 40094392 is 29349004.

40094392 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40094393) 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 7 ways as a sum of consecutive naturals, for example, 438 + ... + 8965.

Almost surely, 2^40094392 is an apocalyptic number.

It is an amenable number.

40094392 is an abundant number, since it is smaller than the sum of its proper divisors (42848888).

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

40094392 is a wasteful number, since it uses less digits than its factorization.

40094392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9463 (or 9459 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 40094392 is about 6332.0132659368. The cubic root of 40094392 is about 342.2639914223.

The spelling of 40094392 in words is "forty million, ninety-four thousand, three hundred ninety-two".