40788648 has 96 divisors (see below), whose sum is σ = 114566400. Its totient is φ = 13104000.

The previous prime is 40788619. The next prime is 40788659. The reversal of 40788648 is 84688704.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 403798 + ... + 403898.

It is an arithmetic number, because the mean of its divisors is an integer number (1193400).

Almost surely, 2^40788648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40788648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57283200).

40788648 is an abundant number, since it is smaller than the sum of its proper divisors (73777752).

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

40788648 is a wasteful number, since it uses less digits than its factorization.

40788648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The square root of 40788648 is about 6386.5990949801. The cubic root of 40788648 is about 344.2281927446.

The spelling of 40788648 in words is "forty million, seven hundred eighty-eight thousand, six hundred forty-eight".