40827798 has 48 divisors (see below), whose sum is σ = 99128016. Its totient is φ = 12035520.

The previous prime is 40827793. The next prime is 40827811. The reversal of 40827798 is 89772804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40827793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4540 + ... + 10112.

It is an arithmetic number, because the mean of its divisors is an integer number (2065167).

Almost surely, 2^40827798 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40827798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49564008).

40827798 is an abundant number, since it is smaller than the sum of its proper divisors (58300218).

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

40827798 is a wasteful number, since it uses less digits than its factorization.

40827798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5629 (or 5626 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 40827798 is about 6389.6633714148. The cubic root of 40827798 is about 344.3382905700.

The spelling of 40827798 in words is "forty million, eight hundred twenty-seven thousand, seven hundred ninety-eight".