40303304 has 8 divisors (see below), whose sum is σ = 75568710. Its totient is φ = 20151648.

The previous prime is 40303303. The next prime is 40303327. The reversal of 40303304 is 40330304.

It can be written as a sum of positive squares in only one way, i.e., 39816100 + 487204 = 6310^2 + 698^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (40303303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2518949 + ... + 2518964.

Almost surely, 2^40303304 is an apocalyptic number.

It is an amenable number.

40303304 is a deficient number, since it is larger than the sum of its proper divisors (35265406).

40303304 is a wasteful number, since it uses less digits than its factorization.

40303304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5037919 (or 5037915 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 40303304 is about 6348.4883240028. The cubic root of 40303304 is about 342.8574179231.

Adding to 40303304 its reverse (40330304), we get a palindrome (80633608).

Subtracting 40303304 from its reverse (40330304), we obtain a cube (27000 = 30³).

The spelling of 40303304 in words is "forty million, three hundred three thousand, three hundred four".