40424044020220 has 24 divisors (see below), whose sum is σ = 97017705648864. Its totient is φ = 13859672235456.

The previous prime is 40424044020197. The next prime is 40424044020229. The reversal of 40424044020220 is 2202044042404.

40424044020220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40424044020229) 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 7 ways as a sum of consecutive naturals, for example, 144371585647 + ... + 144371585926.

It is an arithmetic number, because the mean of its divisors is an integer number (4042404402036).

Almost surely, 2^{40424044020220} is an apocalyptic number.

It is an amenable number.

40424044020220 is an abundant number, since it is smaller than the sum of its proper divisors (56593661628644).

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

40424044020220 is a wasteful number, since it uses less digits than its factorization.

40424044020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288743171589 (or 288743171587 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 40424044020220 its reverse (2202044042404), we get a palindrome (42626088062624).

The spelling of 40424044020220 in words is "forty trillion, four hundred twenty-four billion, forty-four million, twenty thousand, two hundred twenty".