40624159 has 2 divisors, whose sum is σ = 40624160. Its totient is φ = 40624158.

The previous prime is 40624151. The next prime is 40624189. The reversal of 40624159 is 95142604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40624159 - 2³ = 40624151 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 40624159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40624151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20312079 + 20312080.

It is an arithmetic number, because the mean of its divisors is an integer number (20312080).

Almost surely, 2^40624159 is an apocalyptic number.

40624159 is a deficient number, since it is larger than the sum of its proper divisors (1).

40624159 is an equidigital number, since it uses as much as digits as its factorization.

40624159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 40624159 is about 6373.7084181817. The cubic root of 40624159 is about 343.7648445821.

The spelling of 40624159 in words is "forty million, six hundred twenty-four thousand, one hundred fifty-nine".