40091294 has 8 divisors (see below), whose sum is σ = 60389280. Its totient is φ = 19961536.

The previous prime is 40091279. The next prime is 40091299. The reversal of 40091294 is 49219004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40091299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41459 + ... + 42414.

It is an arithmetic number, because the mean of its divisors is an integer number (7548660).

Almost surely, 2^40091294 is an apocalyptic number.

40091294 is a deficient number, since it is larger than the sum of its proper divisors (20297986).

40091294 is a wasteful number, since it uses less digits than its factorization.

40091294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84114.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 40091294 is about 6331.7686312752. The cubic root of 40091294 is about 342.2551758822.

The spelling of 40091294 in words is "forty million, ninety-one thousand, two hundred ninety-four".