40854787 has 2 divisors, whose sum is σ = 40854788. Its totient is φ = 40854786.

The previous prime is 40854743. The next prime is 40854799. The reversal of 40854787 is 78745804.

40854787 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40854787 - 2⁷ = 40854659 is a prime.

It is a super-2 number, since 2×40854787² = 3338227241630738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40854487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20427393 + 20427394.

It is an arithmetic number, because the mean of its divisors is an integer number (20427394).

Almost surely, 2^40854787 is an apocalyptic number.

40854787 is a deficient number, since it is larger than the sum of its proper divisors (1).

40854787 is an equidigital number, since it uses as much as digits as its factorization.

40854787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 250880, while the sum is 43.

The square root of 40854787 is about 6391.7749491045. The cubic root of 40854787 is about 344.4141481928.

The spelling of 40854787 in words is "forty million, eight hundred fifty-four thousand, seven hundred eighty-seven".