40482138 has 8 divisors (see below), whose sum is σ = 80964288. Its totient is φ = 13494044.

The previous prime is 40482133. The next prime is 40482149. The reversal of 40482138 is 83128404.

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

40482138 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40482133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3373506 + ... + 3373517.

It is an arithmetic number, because the mean of its divisors is an integer number (10120536).

Almost surely, 2^40482138 is an apocalyptic number.

40482138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40482138 is a wasteful number, since it uses less digits than its factorization.

40482138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6747028.

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 40482138 is about 6362.5575046517. The cubic root of 40482138 is about 343.3637792043.

The spelling of 40482138 in words is "forty million, four hundred eighty-two thousand, one hundred thirty-eight".