40056536 has 16 divisors (see below), whose sum is σ = 80883600. Its totient is φ = 18487584.

The previous prime is 40056517. The next prime is 40056551. The reversal of 40056536 is 63565004.

40056536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40056499 and 40056508.

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, 192476 + ... + 192683.

It is an arithmetic number, because the mean of its divisors is an integer number (5055225).

Almost surely, 2^40056536 is an apocalyptic number.

It is an amenable number.

40056536 is an abundant number, since it is smaller than the sum of its proper divisors (40827064).

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

40056536 is a wasteful number, since it uses less digits than its factorization.

40056536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385178 (or 385174 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 40056536 is about 6329.0233053766. The cubic root of 40056536 is about 342.1562388169.

The spelling of 40056536 in words is "forty million, fifty-six thousand, five hundred thirty-six".