40802838 has 8 divisors (see below), whose sum is σ = 81605688. Its totient is φ = 13600944.

The previous prime is 40802833. The next prime is 40802903. The reversal of 40802838 is 83820804.

40802838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

40802838 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 40802799 and 40802808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40802833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3400231 + ... + 3400242.

It is an arithmetic number, because the mean of its divisors is an integer number (10200711).

Almost surely, 2^40802838 is an apocalyptic number.

40802838 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40802838 is a wasteful number, since it uses less digits than its factorization.

40802838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6800478.

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

The square root of 40802838 is about 6387.7099182727. The cubic root of 40802838 is about 344.2681060699.

The spelling of 40802838 in words is "forty million, eight hundred two thousand, eight hundred thirty-eight".