40320983 has 8 divisors (see below), whose sum is σ = 42537600. Its totient is φ = 38113848.

The previous prime is 40320967. The next prime is 40320989. The reversal of 40320983 is 38902304.

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

It is not a de Polignac number, because 40320983 - 2⁴ = 40320967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40320989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7448 + ... + 11666.

It is an arithmetic number, because the mean of its divisors is an integer number (5317200).

Almost surely, 2^40320983 is an apocalyptic number.

40320983 is a deficient number, since it is larger than the sum of its proper divisors (2216617).

40320983 is a wasteful number, since it uses less digits than its factorization.

40320983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4741.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 40320983 is about 6349.8805500576. The cubic root of 40320983 is about 342.9075419380.

The spelling of 40320983 in words is "forty million, three hundred twenty thousand, nine hundred eighty-three".