40293805 has 16 divisors (see below), whose sum is σ = 49639680. Its totient is φ = 31384512.

The previous prime is 40293697. The next prime is 40293809. The reversal of 40293805 is 50839204.

It is a cyclic number.

It is not a de Polignac number, because 40293805 - 2²³ = 31905197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40293809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64786 + ... + 65404.

It is an arithmetic number, because the mean of its divisors is an integer number (3102480).

Almost surely, 2^40293805 is an apocalyptic number.

It is an amenable number.

40293805 is a deficient number, since it is larger than the sum of its proper divisors (9345875).

40293805 is a wasteful number, since it uses less digits than its factorization.

40293805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 40293805 is about 6347.7401490609. The cubic root of 40293805 is about 342.8304800281.

The spelling of 40293805 in words is "forty million, two hundred ninety-three thousand, eight hundred five".