40294791 has 6 divisors (see below), whose sum is σ = 58203600. Its totient is φ = 26863188.

The previous prime is 40294789. The next prime is 40294799. The reversal of 40294791 is 19749204.

It is not a de Polignac number, because 40294791 - 2¹ = 40294789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40294799) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2238591 + ... + 2238608.

It is an arithmetic number, because the mean of its divisors is an integer number (9700600).

Almost surely, 2^40294791 is an apocalyptic number.

40294791 is a deficient number, since it is larger than the sum of its proper divisors (17908809).

40294791 is a wasteful number, since it uses less digits than its factorization.

40294791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4477205 (or 4477202 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 40294791 is about 6347.8178140208. The cubic root of 40294791 is about 342.8332763893.

The spelling of 40294791 in words is "forty million, two hundred ninety-four thousand, seven hundred ninety-one".