40378304 has 14 divisors (see below), whose sum is σ = 80125824. Its totient is φ = 20189120.

The previous prime is 40378297. The next prime is 40378309. The reversal of 40378304 is 40387304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40378309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315392 + ... + 315519.

Almost surely, 2^40378304 is an apocalyptic number.

It is an amenable number.

40378304 is a deficient number, since it is larger than the sum of its proper divisors (39747520).

40378304 is an equidigital number, since it uses as much as digits as its factorization.

40378304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630923 (or 630913 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 40378304 is about 6354.3924965334. The cubic root of 40378304 is about 343.0699594086.

The spelling of 40378304 in words is "forty million, three hundred seventy-eight thousand, three hundred four".