40294766 has 4 divisors (see below), whose sum is σ = 60442152. Its totient is φ = 20147382.

The previous prime is 40294747. The next prime is 40294769. The reversal of 40294766 is 66749204.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a nialpdrome in base 7.

It is a zygodrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40294769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10073690 + ... + 10073693.

It is an arithmetic number, because the mean of its divisors is an integer number (15110538).

Almost surely, 2^40294766 is an apocalyptic number.

40294766 is a deficient number, since it is larger than the sum of its proper divisors (20147386).

40294766 is a wasteful number, since it uses less digits than its factorization.

40294766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20147385.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 40294766 is about 6347.8158448399. The cubic root of 40294766 is about 342.8332054882.

The spelling of 40294766 in words is "forty million, two hundred ninety-four thousand, seven hundred sixty-six".