40786040 has 32 divisors (see below), whose sum is σ = 92141280. Its totient is φ = 16248192.

The previous prime is 40786037. The next prime is 40786069. The reversal of 40786040 is 4068704.

40786040 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 = 40785994 and 40786012.

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 7 ways as a sum of consecutive naturals, for example, 8582 + ... + 12458.

It is an arithmetic number, because the mean of its divisors is an integer number (2879415).

Almost surely, 2^40786040 is an apocalyptic number.

40786040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40786040 is an abundant number, since it is smaller than the sum of its proper divisors (51355240).

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

40786040 is a wasteful number, since it uses less digits than its factorization.

40786040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4151 (or 4147 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 40786040 is about 6386.3949141906. The cubic root of 40786040 is about 344.2208560116.

The spelling of 40786040 in words is "forty million, seven hundred eighty-six thousand, forty".