40159395 has 24 divisors (see below), whose sum is σ = 72189936. Its totient is φ = 21417696.

The previous prime is 40159373. The next prime is 40159439. The reversal of 40159395 is 59395104.

It is not a de Polignac number, because 40159395 - 2⁷ = 40159267 is a prime.

It is a super-2 number, since 2×40159395² = 3225554013532050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15312 + ... + 17741.

It is an arithmetic number, because the mean of its divisors is an integer number (3007914).

Almost surely, 2^40159395 is an apocalyptic number.

40159395 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40159395 is a deficient number, since it is larger than the sum of its proper divisors (32030541).

40159395 is an equidigital number, since it uses as much as digits as its factorization.

40159395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33073 (or 33061 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 40159395 is about 6337.1440728454. The cubic root of 40159395 is about 342.4488566255.

The spelling of 40159395 in words is "forty million, one hundred fifty-nine thousand, three hundred ninety-five".