40368028 has 6 divisors (see below), whose sum is σ = 70644056. Its totient is φ = 20184012.

The previous prime is 40368019. The next prime is 40368037. The reversal of 40368028 is 82086304.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40368019) and next prime (40368037).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5046000 + ... + 5046007.

Almost surely, 2^40368028 is an apocalyptic number.

It is an amenable number.

40368028 is a deficient number, since it is larger than the sum of its proper divisors (30276028).

40368028 is a wasteful number, since it uses less digits than its factorization.

40368028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10092011 (or 10092009 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 40368028 is about 6353.5838705411. The cubic root of 40368028 is about 343.0408539596.

The spelling of 40368028 in words is "forty million, three hundred sixty-eight thousand, twenty-eight".