40036288 has 28 divisors (see below), whose sum is σ = 79689960. Its totient is φ = 19956992.

The previous prime is 40036247. The next prime is 40036289. The reversal of 40036288 is 88263004.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40036289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26070 + ... + 27562.

It is an arithmetic number, because the mean of its divisors is an integer number (2846070).

Almost surely, 2^40036288 is an apocalyptic number.

It is an amenable number.

40036288 is a deficient number, since it is larger than the sum of its proper divisors (39653672).

40036288 is a wasteful number, since it uses less digits than its factorization.

40036288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1924 (or 1914 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 40036288 is about 6327.4234882770. The cubic root of 40036288 is about 342.0985774223.

The spelling of 40036288 in words is "forty million, thirty-six thousand, two hundred eighty-eight".