40024087 has 2 divisors, whose sum is σ = 40024088. Its totient is φ = 40024086.

The previous prime is 40024081. The next prime is 40024091. The reversal of 40024087 is 78042004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40024087 - 2³ = 40024079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40024081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20012043 + 20012044.

It is an arithmetic number, because the mean of its divisors is an integer number (20012044).

Almost surely, 2^40024087 is an apocalyptic number.

40024087 is a deficient number, since it is larger than the sum of its proper divisors (1).

40024087 is an equidigital number, since it uses as much as digits as its factorization.

40024087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 40024087 is about 6326.4592783009. The cubic root of 40024087 is about 342.0638225452.

The spelling of 40024087 in words is "forty million, twenty-four thousand, eighty-seven".