40865648 has 10 divisors (see below), whose sum is σ = 79177224. Its totient is φ = 20432816.

The previous prime is 40865623. The next prime is 40865653. The reversal of 40865648 is 84656804.

It is a super-3 number, since 3×40865648³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277036 + ... + 1277067.

Almost surely, 2^40865648 is an apocalyptic number.

It is an amenable number.

40865648 is a deficient number, since it is larger than the sum of its proper divisors (38311576).

40865648 is a wasteful number, since it uses less digits than its factorization.

40865648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2554111 (or 2554105 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 40865648 is about 6392.6245001564. The cubic root of 40865648 is about 344.4446656336. Note that the first 3 decimals are identical.

The spelling of 40865648 in words is "forty million, eight hundred sixty-five thousand, six hundred forty-eight".