40790593 has 2 divisors, whose sum is σ = 40790594. Its totient is φ = 40790592.

The previous prime is 40790591. The next prime is 40790669. The reversal of 40790593 is 39509704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29073664 + 11716929 = 5392^2 + 3423^2 .

It is a cyclic number.

It is not a de Polignac number, because 40790593 - 2¹ = 40790591 is a prime.

Together with 40790591, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (40790591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20395296 + 20395297.

It is an arithmetic number, because the mean of its divisors is an integer number (20395297).

Almost surely, 2^40790593 is an apocalyptic number.

It is an amenable number.

40790593 is a deficient number, since it is larger than the sum of its proper divisors (1).

40790593 is an equidigital number, since it uses as much as digits as its factorization.

40790593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 40790593 is about 6386.7513651308. The cubic root of 40790593 is about 344.2336641460.

The spelling of 40790593 in words is "forty million, seven hundred ninety thousand, five hundred ninety-three".