40115268 has 36 divisors (see below), whose sum is σ = 101756928. Its totient is φ = 13325040.

The previous prime is 40115267. The next prime is 40115287. The reversal of 40115268 is 86251104.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (40115267) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9405 + ... + 12987.

Almost surely, 2^40115268 is an apocalyptic number.

It is an amenable number.

40115268 is an abundant number, since it is smaller than the sum of its proper divisors (61641660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40115268 is a wasteful number, since it uses less digits than its factorization.

40115268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3904 (or 3899 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 40115268 is about 6333.6615002698. The cubic root of 40115268 is about 342.3233834636.

The spelling of 40115268 in words is "forty million, one hundred fifteen thousand, two hundred sixty-eight".