40786340 has 24 divisors (see below), whose sum is σ = 97887552. Its totient is φ = 13983840.

The previous prime is 40786327. The next prime is 40786363. The reversal of 40786340 is 4368704.

It is a happy number.

40786340 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 = 40786297 and 40786306.

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, 145526 + ... + 145805.

It is an arithmetic number, because the mean of its divisors is an integer number (4078648).

Almost surely, 2^40786340 is an apocalyptic number.

It is an amenable number.

40786340 is an abundant number, since it is smaller than the sum of its proper divisors (57101212).

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

40786340 is a wasteful number, since it uses less digits than its factorization.

40786340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291347 (or 291345 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 40786340 is about 6386.4184015769. The cubic root of 40786340 is about 344.2216999769.

The spelling of 40786340 in words is "forty million, seven hundred eighty-six thousand, three hundred forty".