40104859 has 2 divisors, whose sum is σ = 40104860. Its totient is φ = 40104858.

The previous prime is 40104851. The next prime is 40104899. The reversal of 40104859 is 95840104.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40104859 - 2³ = 40104851 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40104859.

It is not a weakly prime, because it can be changed into another prime (40104851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20052429 + 20052430.

It is an arithmetic number, because the mean of its divisors is an integer number (20052430).

Almost surely, 2^40104859 is an apocalyptic number.

40104859 is a deficient number, since it is larger than the sum of its proper divisors (1).

40104859 is an equidigital number, since it uses as much as digits as its factorization.

40104859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 40104859 is about 6332.8397263787. The cubic root of 40104859 is about 342.2937725240.

The spelling of 40104859 in words is "forty million, one hundred four thousand, eight hundred fifty-nine".