40969648 has 10 divisors (see below), whose sum is σ = 79378724. Its totient is φ = 20484816.

The previous prime is 40969639. The next prime is 40969651. The reversal of 40969648 is 84696904.

It is a junction number, because it is equal to n+sod(n) for n = 40969598 and 40969607.

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, 1280286 + ... + 1280317.

Almost surely, 2^40969648 is an apocalyptic number.

It is an amenable number.

40969648 is a deficient number, since it is larger than the sum of its proper divisors (38409076).

40969648 is a wasteful number, since it uses less digits than its factorization.

40969648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2560611 (or 2560605 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 40969648 is about 6400.7537056194. The cubic root of 40969648 is about 344.7366133661.

The spelling of 40969648 in words is "forty million, nine hundred sixty-nine thousand, six hundred forty-eight".