40832138 has 8 divisors (see below), whose sum is σ = 61358688. Its totient is φ = 20379244.

The previous prime is 40832137. The next prime is 40832149. The reversal of 40832138 is 83123804.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 40832138.

It is not an unprimeable number, because it can be changed into a prime (40832137) 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, 17006 + ... + 19257.

It is an arithmetic number, because the mean of its divisors is an integer number (7669836).

Almost surely, 2^40832138 is an apocalyptic number.

40832138 is a deficient number, since it is larger than the sum of its proper divisors (20526550).

40832138 is a wasteful number, since it uses less digits than its factorization.

40832138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36828.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 40832138 is about 6390.0029733952. The cubic root of 40832138 is about 344.3504912054.

The spelling of 40832138 in words is "forty million, eight hundred thirty-two thousand, one hundred thirty-eight".