40238808 has 64 divisors (see below), whose sum is σ = 107328000. Its totient is φ = 12534912.

The previous prime is 40238777. The next prime is 40238839. The reversal of 40238808 is 80883204.

It is an interprime number because it is at equal distance from previous prime (40238777) and next prime (40238839).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35466 + ... + 36582.

It is an arithmetic number, because the mean of its divisors is an integer number (1677000).

Almost surely, 2^40238808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40238808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53664000).

40238808 is an abundant number, since it is smaller than the sum of its proper divisors (67089192).

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

40238808 is a wasteful number, since it uses less digits than its factorization.

40238808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224 (or 1220 counting only the distinct ones).

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

The square root of 40238808 is about 6343.4066557332. The cubic root of 40238808 is about 342.6744326104.

The spelling of 40238808 in words is "forty million, two hundred thirty-eight thousand, eight hundred eight".