40604659 has 2 divisors, whose sum is σ = 40604660. Its totient is φ = 40604658.

The previous prime is 40604639. The next prime is 40604671. The reversal of 40604659 is 95640604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40604659 - 2¹³ = 40596467 is a prime.

It is not a weakly prime, because it can be changed into another prime (40604639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20302329 + 20302330.

It is an arithmetic number, because the mean of its divisors is an integer number (20302330).

Almost surely, 2^40604659 is an apocalyptic number.

40604659 is a deficient number, since it is larger than the sum of its proper divisors (1).

40604659 is an equidigital number, since it uses as much as digits as its factorization.

40604659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 40604659 is about 6372.1785128792. The cubic root of 40604659 is about 343.7098322652.

The spelling of 40604659 in words is "forty million, six hundred four thousand, six hundred fifty-nine".