41328639 has 18 divisors (see below), whose sum is σ = 65619008. Its totient is φ = 25047000.

The previous prime is 41328619. The next prime is 41328671. The reversal of 41328639 is 93682314.

41328639 is a `hidden beast` number, since 4 + 13 + 2 + 8 + 639 = 666.

It is not a de Polignac number, because 41328639 - 2¹⁵ = 41295871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41328619) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 17887 + ... + 20064.

Almost surely, 2^41328639 is an apocalyptic number.

41328639 is a deficient number, since it is larger than the sum of its proper divisors (24290369).

41328639 is a wasteful number, since it uses less digits than its factorization.

41328639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37979 (or 37965 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 41328639 is about 6428.7354121942. The cubic root of 41328639 is about 345.7405893013.

The spelling of 41328639 in words is "forty-one million, three hundred twenty-eight thousand, six hundred thirty-nine".