40168359 has 48 divisors (see below), whose sum is σ = 74730240. Its totient is φ = 20716560.

The previous prime is 40168339. The next prime is 40168363. The reversal of 40168359 is 95386104.

It is not a de Polignac number, because 40168359 - 2⁷ = 40168231 is a prime.

It is a super-2 number, since 2×40168359² = 3226994129505762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40168319) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 288912 + ... + 289050.

It is an arithmetic number, because the mean of its divisors is an integer number (1556880).

Almost surely, 2^40168359 is an apocalyptic number.

40168359 is a deficient number, since it is larger than the sum of its proper divisors (34561881).

40168359 is a wasteful number, since it uses less digits than its factorization.

40168359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 40168359 is about 6337.8512920390. The cubic root of 40168359 is about 342.4743341273.

The spelling of 40168359 in words is "forty million, one hundred sixty-eight thousand, three hundred fifty-nine".