40320458 has 8 divisors (see below), whose sum is σ = 60548580. Its totient is φ = 20137600.

The previous prime is 40320431. The next prime is 40320461. The reversal of 40320458 is 85402304.

It can be written as a sum of positive squares in 2 ways, for example, as 39853969 + 466489 = 6313^2 + 683^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8993 + ... + 12708.

Almost surely, 2^40320458 is an apocalyptic number.

40320458 is a deficient number, since it is larger than the sum of its proper divisors (20228122).

40320458 is a wasteful number, since it uses less digits than its factorization.

40320458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22632.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 40320458 is about 6349.8392105627. The cubic root of 40320458 is about 342.9060536538.

The spelling of 40320458 in words is "forty million, three hundred twenty thousand, four hundred fifty-eight".