40860539 has 2 divisors, whose sum is σ = 40860540. Its totient is φ = 40860538.

The previous prime is 40860517. The next prime is 40860557. The reversal of 40860539 is 93506804.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40860539 - 2⁸ = 40860283 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 40860499 and 40860508.

It is not a weakly prime, because it can be changed into another prime (40869539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20430269 + 20430270.

It is an arithmetic number, because the mean of its divisors is an integer number (20430270).

Almost surely, 2^40860539 is an apocalyptic number.

40860539 is a deficient number, since it is larger than the sum of its proper divisors (1).

40860539 is an equidigital number, since it uses as much as digits as its factorization.

40860539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 40860539 is about 6392.2248865321. The cubic root of 40860539 is about 344.4303109436.

The spelling of 40860539 in words is "forty million, eight hundred sixty thousand, five hundred thirty-nine".