40052986 has 16 divisors (see below), whose sum is σ = 63823680. Its totient is φ = 18786240.

The previous prime is 40052953. The next prime is 40052993. The reversal of 40052986 is 68925004.

It is a happy number.

40052986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 9475 + ... + 13033.

It is an arithmetic number, because the mean of its divisors is an integer number (3988980).

Almost surely, 2^40052986 is an apocalyptic number.

40052986 is a deficient number, since it is larger than the sum of its proper divisors (23770694).

40052986 is a wasteful number, since it uses less digits than its factorization.

40052986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3909.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 40052986 is about 6328.7428451471. The cubic root of 40052986 is about 342.1461306826.

The spelling of 40052986 in words is "forty million, fifty-two thousand, nine hundred eighty-six".