40244015 has 32 divisors (see below), whose sum is σ = 58890240. Its totient is φ = 25772544.

The previous prime is 40244011. The next prime is 40244021. The reversal of 40244015 is 51044204.

40244015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40244015 - 2² = 40244011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40244011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142064 + ... + 142346.

It is an arithmetic number, because the mean of its divisors is an integer number (1840320).

Almost surely, 2^40244015 is an apocalyptic number.

40244015 is a deficient number, since it is larger than the sum of its proper divisors (18646225).

40244015 is a wasteful number, since it uses less digits than its factorization.

40244015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 40244015 is about 6343.8170686110. The cubic root of 40244015 is about 342.6892129423.

Adding to 40244015 its reverse (51044204), we get a palindrome (91288219).

The spelling of 40244015 in words is "forty million, two hundred forty-four thousand, fifteen".