40838080 has 56 divisors (see below), whose sum is σ = 102979728. Its totient is φ = 15372288.

The previous prime is 40838053. The next prime is 40838081. The reversal of 40838080 is 8083804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40838081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1687 + ... + 9193.

Almost surely, 2^40838080 is an apocalyptic number.

40838080 is a gapful number since it is divisible by the number (40) 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 40838080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51489864).

40838080 is an abundant number, since it is smaller than the sum of its proper divisors (62141648).

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

40838080 is a wasteful number, since it uses less digits than its factorization.

40838080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7541 (or 7531 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 40838080 is about 6390.4679014920. The cubic root of 40838080 is about 344.3671939913.

The spelling of 40838080 in words is "forty million, eight hundred thirty-eight thousand, eighty".