40242436 has 24 divisors (see below), whose sum is σ = 76063680. Its totient is φ = 18519072.

The previous prime is 40242427. The next prime is 40242457. The reversal of 40242436 is 63424204.

It is a self number, because there is not a number n which added to its sum of digits gives 40242436.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20865 + ... + 22711.

It is an arithmetic number, because the mean of its divisors is an integer number (3169320).

Almost surely, 2^40242436 is an apocalyptic number.

It is an amenable number.

40242436 is a deficient number, since it is larger than the sum of its proper divisors (35821244).

40242436 is a wasteful number, since it uses less digits than its factorization.

40242436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2283 (or 2281 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 40242436 is about 6343.6926155040. The cubic root of 40242436 is about 342.6847310059.

The spelling of 40242436 in words is "forty million, two hundred forty-two thousand, four hundred thirty-six".