40424021322020 has 144 divisors (see below), whose sum is σ = 105371425071360. Its totient is φ = 12950342125056.

The previous prime is 40424021322011. The next prime is 40424021322029. The reversal of 40424021322020 is 2022312042404.

40424021322020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40424021322011) and next prime (40424021322029).

It is not an unprimeable number, because it can be changed into a prime (40424021322029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13510604 + ... + 16229123.

It is an arithmetic number, because the mean of its divisors is an integer number (731746007440).

Almost surely, 2^{40424021322020} is an apocalyptic number.

It is an amenable number.

40424021322020 is an abundant number, since it is smaller than the sum of its proper divisors (64947403749340).

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

40424021322020 is a wasteful number, since it uses less digits than its factorization.

40424021322020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29739842 (or 29739833 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 40424021322020 its reverse (2022312042404), we get a palindrome (42446333364424).

The spelling of 40424021322020 in words is "forty trillion, four hundred twenty-four billion, twenty-one million, three hundred twenty-two thousand, twenty".