38132440 has 32 divisors (see below), whose sum is σ = 87421680. Its totient is φ = 14964352.

The previous prime is 38132417. The next prime is 38132461. The reversal of 38132440 is 4423183.

38132440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 6874 + ... + 11113.

Almost surely, 2^38132440 is an apocalyptic number.

It is an amenable number.

38132440 is an abundant number, since it is smaller than the sum of its proper divisors (49289240).

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

38132440 is a wasteful number, since it uses less digits than its factorization.

38132440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18051 (or 18047 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 38132440 is about 6175.1469618139. The cubic root of 38132440 is about 336.5876667671.

The spelling of 38132440 in words is "thirty-eight million, one hundred thirty-two thousand, four hundred forty".