40629593 has 2 divisors, whose sum is σ = 40629594. Its totient is φ = 40629592.

The previous prime is 40629587. The next prime is 40629607. The reversal of 40629593 is 39592604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27175369 + 13454224 = 5213^2 + 3668^2 .

It is a cyclic number.

It is not a de Polignac number, because 40629593 - 2⁴ = 40629577 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (40679593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20314796 + 20314797.

It is an arithmetic number, because the mean of its divisors is an integer number (20314797).

Almost surely, 2^40629593 is an apocalyptic number.

It is an amenable number.

40629593 is a deficient number, since it is larger than the sum of its proper divisors (1).

40629593 is an equidigital number, since it uses as much as digits as its factorization.

40629593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 40629593 is about 6374.1346863712. The cubic root of 40629593 is about 343.7801715446.

The spelling of 40629593 in words is "forty million, six hundred twenty-nine thousand, five hundred ninety-three".