40838208 has 56 divisors (see below), whose sum is σ = 108642912. Its totient is φ = 13538304.

The previous prime is 40838123. The next prime is 40838227. The reversal of 40838208 is 80283804.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43116 + ... + 44052.

It is an arithmetic number, because the mean of its divisors is an integer number (1940052).

Almost surely, 2^40838208 is an apocalyptic number.

40838208 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40838208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54321456).

40838208 is an abundant number, since it is smaller than the sum of its proper divisors (67804704).

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

40838208 is a wasteful number, since it uses less digits than its factorization.

40838208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179 (or 1169 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 40838208 is about 6390.4779164003. The cubic root of 40838208 is about 344.3675537777.

The spelling of 40838208 in words is "forty million, eight hundred thirty-eight thousand, two hundred eight".