40943587 has 2 divisors, whose sum is σ = 40943588. Its totient is φ = 40943586.

The previous prime is 40943569. The next prime is 40943659. The reversal of 40943587 is 78534904.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40943587 - 2¹⁹ = 40419299 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49943587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20471793 + 20471794.

It is an arithmetic number, because the mean of its divisors is an integer number (20471794).

Almost surely, 2^40943587 is an apocalyptic number.

40943587 is a deficient number, since it is larger than the sum of its proper divisors (1).

40943587 is an equidigital number, since it uses as much as digits as its factorization.

40943587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 40943587 is about 6398.7176058957. The cubic root of 40943587 is about 344.6635016281.

The spelling of 40943587 in words is "forty million, nine hundred forty-three thousand, five hundred eighty-seven".