40162986 has 32 divisors (see below), whose sum is σ = 89556480. Its totient is φ = 13341888.

The previous prime is 40162973. The next prime is 40162987. The reversal of 40162986 is 68926104.

40162986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40162986² = 3226130888872392, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40162986.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40162987) 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 15 ways as a sum of consecutive naturals, for example, 17095 + ... + 19301.

It is an arithmetic number, because the mean of its divisors is an integer number (2798640).

Almost surely, 2^40162986 is an apocalyptic number.

40162986 is an abundant number, since it is smaller than the sum of its proper divisors (49393494).

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

40162986 is a wasteful number, since it uses less digits than its factorization.

40162986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555 (or 2549 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 40162986 is about 6337.4273960338. The cubic root of 40162986 is about 342.4590634292.

The spelling of 40162986 in words is "forty million, one hundred sixty-two thousand, nine hundred eighty-six".