40541659 has 2 divisors, whose sum is σ = 40541660. Its totient is φ = 40541658.

The previous prime is 40541653. The next prime is 40541689. The reversal of 40541659 is 95614504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40541659 - 2⁹ = 40541147 is a prime.

It is a super-2 number, since 2×40541659² = 3287252228944562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40541653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20270829 + 20270830.

It is an arithmetic number, because the mean of its divisors is an integer number (20270830).

Almost surely, 2^40541659 is an apocalyptic number.

40541659 is a deficient number, since it is larger than the sum of its proper divisors (1).

40541659 is an equidigital number, since it uses as much as digits as its factorization.

40541659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 40541659 is about 6367.2332295904. The cubic root of 40541659 is about 343.5319797023.

The spelling of 40541659 in words is "forty million, five hundred forty-one thousand, six hundred fifty-nine".