40246648 has 16 divisors (see below), whose sum is σ = 81267480. Its totient is φ = 18575328.

The previous prime is 40246631. The next prime is 40246691. The reversal of 40246648 is 84664204.

It is a happy number.

40246648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193390 + ... + 193597.

Almost surely, 2^40246648 is an apocalyptic number.

It is an amenable number.

40246648 is an abundant number, since it is smaller than the sum of its proper divisors (41020832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40246648 is a wasteful number, since it uses less digits than its factorization.

40246648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387006 (or 387002 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 40246648 is about 6344.0245901163. The cubic root of 40246648 is about 342.6966863602.

The spelling of 40246648 in words is "forty million, two hundred forty-six thousand, six hundred forty-eight".