40182385 has 8 divisors (see below), whose sum is σ = 48300480. Its totient is φ = 32091504.

The previous prime is 40182383. The next prime is 40182391. The reversal of 40182385 is 58328104.

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 40182385 - 2¹ = 40182383 is a prime.

It is a super-2 number, since 2×40182385² = 3229248128576450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40182383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3397 + ... + 9586.

It is an arithmetic number, because the mean of its divisors is an integer number (6037560).

Almost surely, 2^40182385 is an apocalyptic number.

It is an amenable number.

40182385 is a deficient number, since it is larger than the sum of its proper divisors (8118095).

40182385 is a wasteful number, since it uses less digits than its factorization.

40182385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13607.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 40182385 is about 6338.9577218972. The cubic root of 40182385 is about 342.5141912531.

The spelling of 40182385 in words is "forty million, one hundred eighty-two thousand, three hundred eighty-five".