40392368 has 20 divisors (see below), whose sum is σ = 78469680. Its totient is φ = 20142144.

The previous prime is 40392353. The next prime is 40392371. The reversal of 40392368 is 86329304.

It is a happy number.

It is a super-3 number, since 3×40392368³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 3173 + ... + 9531.

It is an arithmetic number, because the mean of its divisors is an integer number (3923484).

Almost surely, 2^40392368 is an apocalyptic number.

It is an amenable number.

40392368 is a deficient number, since it is larger than the sum of its proper divisors (38077312).

40392368 is a wasteful number, since it uses less digits than its factorization.

40392368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6764 (or 6758 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 40392368 is about 6355.4990362677. The cubic root of 40392368 is about 343.1097858778.

The spelling of 40392368 in words is "forty million, three hundred ninety-two thousand, three hundred sixty-eight".