40303967 has 8 divisors (see below), whose sum is σ = 44014080. Its totient is φ = 36601560.

The previous prime is 40303927. The next prime is 40303969. The reversal of 40303967 is 76930304.

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

It is a cyclic number.

It is not a de Polignac number, because 40303967 - 2¹⁰ = 40302943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40303969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18308 + ... + 20390.

It is an arithmetic number, because the mean of its divisors is an integer number (5501760).

Almost surely, 2^40303967 is an apocalyptic number.

40303967 is a deficient number, since it is larger than the sum of its proper divisors (3710113).

40303967 is a wasteful number, since it uses less digits than its factorization.

40303967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3853.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 40303967 is about 6348.5405409432. The cubic root of 40303967 is about 342.8592979445.

It can be divided in two parts, 4030 and 3967, that added together give a palindrome (7997).

The spelling of 40303967 in words is "forty million, three hundred three thousand, nine hundred sixty-seven".