40320675 has 18 divisors (see below), whose sum is σ = 72219212. Its totient is φ = 21504240.

The previous prime is 40320661. The next prime is 40320691. The reversal of 40320675 is 57602304.

It is a happy number.

It is not a de Polignac number, because 40320675 - 2⁶ = 40320611 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 89377 + ... + 89826.

Almost surely, 2^40320675 is an apocalyptic number.

40320675 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40320675 is a deficient number, since it is larger than the sum of its proper divisors (31898537).

40320675 is a wasteful number, since it uses less digits than its factorization.

40320675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179219 (or 179211 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 40320675 is about 6349.8562975866. The cubic root of 40320675 is about 342.9066688129.

Adding to 40320675 its reverse (57602304), we get a palindrome (97922979).

The spelling of 40320675 in words is "forty million, three hundred twenty thousand, six hundred seventy-five".