40268836 has 6 divisors (see below), whose sum is σ = 70470470. Its totient is φ = 20134416.

The previous prime is 40268819. The next prime is 40268843. The reversal of 40268836 is 63886204.

It can be written as a sum of positive squares in only one way, i.e., 40246336 + 22500 = 6344^2 + 150^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40268795 and 40268804.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5033601 + ... + 5033608.

Almost surely, 2^40268836 is an apocalyptic number.

It is an amenable number.

40268836 is a deficient number, since it is larger than the sum of its proper divisors (30201634).

40268836 is a wasteful number, since it uses less digits than its factorization.

40268836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10067213 (or 10067211 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 40268836 is about 6345.7730813511. The cubic root of 40268836 is about 342.7596510837.

The spelling of 40268836 in words is "forty million, two hundred sixty-eight thousand, eight hundred thirty-six".