40502159 has 2 divisors, whose sum is σ = 40502160. Its totient is φ = 40502158.

The previous prime is 40502141. The next prime is 40502191. The reversal of 40502159 is 95120504.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40502159 is a prime.

It is a super-2 number, since 2×40502159² = 3280849767322562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40502659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20251079 + 20251080.

It is an arithmetic number, because the mean of its divisors is an integer number (20251080).

Almost surely, 2^40502159 is an apocalyptic number.

40502159 is a deficient number, since it is larger than the sum of its proper divisors (1).

40502159 is an equidigital number, since it uses as much as digits as its factorization.

40502159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 40502159 is about 6364.1306554784. The cubic root of 40502159 is about 343.4203749737.

The spelling of 40502159 in words is "forty million, five hundred two thousand, one hundred fifty-nine".