40292887 has 2 divisors, whose sum is σ = 40292888. Its totient is φ = 40292886.

The previous prime is 40292869. The next prime is 40292893. The reversal of 40292887 is 78829204.

40292887 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 40292887 - 2¹⁵ = 40260119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40292807) 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, 20146443 + 20146444.

It is an arithmetic number, because the mean of its divisors is an integer number (20146444).

Almost surely, 2^40292887 is an apocalyptic number.

40292887 is a deficient number, since it is larger than the sum of its proper divisors (1).

40292887 is an equidigital number, since it uses as much as digits as its factorization.

40292887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 40292887 is about 6347.6678394510. The cubic root of 40292887 is about 342.8278764784.

The spelling of 40292887 in words is "forty million, two hundred ninety-two thousand, eight hundred eighty-seven".