40838828 has 48 divisors (see below), whose sum is σ = 80932320. Its totient is φ = 17915904.

The previous prime is 40838827. The next prime is 40838851. The reversal of 40838828 is 82883804.

It is not an unprimeable number, because it can be changed into a prime (40838821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94100 + ... + 94532.

It is an arithmetic number, because the mean of its divisors is an integer number (1686090).

Almost surely, 2^40838828 is an apocalyptic number.

It is an amenable number.

40838828 is a deficient number, since it is larger than the sum of its proper divisors (40093492).

40838828 is a wasteful number, since it uses less digits than its factorization.

40838828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546 (or 544 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 41.

The square root of 40838828 is about 6390.5264258901. The cubic root of 40838828 is about 344.3692964823.

The spelling of 40838828 in words is "forty million, eight hundred thirty-eight thousand, eight hundred twenty-eight".