40026648 has 16 divisors (see below), whose sum is σ = 100066680. Its totient is φ = 13342208.

The previous prime is 40026643. The next prime is 40026659. The reversal of 40026648 is 84662004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40026643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 833865 + ... + 833912.

Almost surely, 2^40026648 is an apocalyptic number.

It is an amenable number.

40026648 is an abundant number, since it is smaller than the sum of its proper divisors (60040032).

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

40026648 is a wasteful number, since it uses less digits than its factorization.

40026648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667786 (or 1667782 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 40026648 is about 6326.6616789583. The cubic root of 40026648 is about 342.0711182083.

The spelling of 40026648 in words is "forty million, twenty-six thousand, six hundred forty-eight".