40341820 has 24 divisors (see below), whose sum is σ = 84876624. Its totient is φ = 16106496.

The previous prime is 40341811. The next prime is 40341841. The reversal of 40341820 is 2814304.

40341820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40341791 and 40341800.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11292 + ... + 14428.

It is an arithmetic number, because the mean of its divisors is an integer number (3536526).

Almost surely, 2^40341820 is an apocalyptic number.

It is an amenable number.

40341820 is an abundant number, since it is smaller than the sum of its proper divisors (44534804).

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

40341820 is a wasteful number, since it uses less digits than its factorization.

40341820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3789 (or 3787 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 40341820 is about 6351.5210776632. The cubic root of 40341820 is about 342.9666007989.

The spelling of 40341820 in words is "forty million, three hundred forty-one thousand, eight hundred twenty".