40744159 has 16 divisors (see below), whose sum is σ = 43545600. Its totient is φ = 38057824.

The previous prime is 40744153. The next prime is 40744163. The reversal of 40744159 is 95144704.

It is a cyclic number.

It is not a de Polignac number, because 40744159 - 2⁵ = 40744127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40744153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227532 + ... + 227710.

It is an arithmetic number, because the mean of its divisors is an integer number (2721600).

Almost surely, 2^40744159 is an apocalyptic number.

40744159 is a deficient number, since it is larger than the sum of its proper divisors (2801441).

40744159 is a wasteful number, since it uses less digits than its factorization.

40744159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 40744159 is about 6383.1151485775. The cubic root of 40744159 is about 344.1029950071.

The spelling of 40744159 in words is "forty million, seven hundred forty-four thousand, one hundred fifty-nine".