40485583 has 2 divisors, whose sum is σ = 40485584. Its totient is φ = 40485582.

The previous prime is 40485553. The next prime is 40485593. The reversal of 40485583 is 38558404.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40485583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40485553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20242791 + 20242792.

It is an arithmetic number, because the mean of its divisors is an integer number (20242792).

Almost surely, 2^40485583 is an apocalyptic number.

40485583 is a deficient number, since it is larger than the sum of its proper divisors (1).

40485583 is an equidigital number, since it uses as much as digits as its factorization.

40485583 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 76800, while the sum is 37.

The square root of 40485583 is about 6362.8282233611. The cubic root of 40485583 is about 343.3735189293.

The spelling of 40485583 in words is "forty million, four hundred eighty-five thousand, five hundred eighty-three".