40482139 has 8 divisors (see below), whose sum is σ = 42577920. Its totient is φ = 38414376.

The previous prime is 40482133. The next prime is 40482149. The reversal of 40482139 is 93128404.

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 40482139 - 2⁷ = 40482011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40482139.

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 7 ways as a sum of consecutive naturals, for example, 4009 + ... + 9850.

It is an arithmetic number, because the mean of its divisors is an integer number (5322240).

Almost surely, 2^40482139 is an apocalyptic number.

40482139 is a deficient number, since it is larger than the sum of its proper divisors (2095781).

40482139 is a wasteful number, since it uses less digits than its factorization.

40482139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14009.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 40482139 is about 6362.5575832365. The cubic root of 40482139 is about 343.3637820316.

The spelling of 40482139 in words is "forty million, four hundred eighty-two thousand, one hundred thirty-nine".