40050839 has 2 divisors, whose sum is σ = 40050840. Its totient is φ = 40050838.

The previous prime is 40050823. The next prime is 40050859. The reversal of 40050839 is 93805004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40050839 - 2⁴ = 40050823 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40050859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20025419 + 20025420.

It is an arithmetic number, because the mean of its divisors is an integer number (20025420).

Almost surely, 2^40050839 is an apocalyptic number.

40050839 is a deficient number, since it is larger than the sum of its proper divisors (1).

40050839 is an equidigital number, since it uses as much as digits as its factorization.

40050839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 40050839 is about 6328.5732199288. The cubic root of 40050839 is about 342.1400171071.

The spelling of 40050839 in words is "forty million, fifty thousand, eight hundred thirty-nine".