40788558 has 24 divisors (see below), whose sum is σ = 91423800. Its totient is φ = 13127184.

The previous prime is 40788557. The next prime is 40788571. The reversal of 40788558 is 85588704.

40788558 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 not an unprimeable number, because it can be changed into a prime (40788557) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 38548 + ... + 39591.

It is an arithmetic number, because the mean of its divisors is an integer number (3809325).

Almost surely, 2^40788558 is an apocalyptic number.

40788558 is an abundant number, since it is smaller than the sum of its proper divisors (50635242).

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

40788558 is a wasteful number, since it uses less digits than its factorization.

40788558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78176 (or 78173 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 45.

The square root of 40788558 is about 6386.5920489726. The cubic root of 40788558 is about 344.2279395650.

The spelling of 40788558 in words is "forty million, seven hundred eighty-eight thousand, five hundred fifty-eight".