40162187 has 8 divisors (see below), whose sum is σ = 44743440. Its totient is φ = 35794080.

The previous prime is 40162159. The next prime is 40162189. The reversal of 40162187 is 78126104.

40162187 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40162187 - 2²⁴ = 23384971 is a prime.

It is a super-2 number, since 2×40162187² = 3226002529245938, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40162189) 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 7 ways as a sum of consecutive naturals, for example, 52889 + ... + 53642.

It is an arithmetic number, because the mean of its divisors is an integer number (5592930).

Almost surely, 2^40162187 is an apocalyptic number.

40162187 is a deficient number, since it is larger than the sum of its proper divisors (4581253).

40162187 is a wasteful number, since it uses less digits than its factorization.

40162187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106573.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 40162187 is about 6337.3643575228. The cubic root of 40162187 is about 342.4567924609.

The spelling of 40162187 in words is "forty million, one hundred sixty-two thousand, one hundred eighty-seven".