40424022144020 has 48 divisors (see below), whose sum is σ = 84950403002640. Its totient is φ = 16158190672896.

The previous prime is 40424022143987. The next prime is 40424022144031. The reversal of 40424022144020 is 2044122042404.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 34590792196 + 40389431351824 = 185986^2 + 6355268^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338179784 + ... + 338299296.

It is an arithmetic number, because the mean of its divisors is an integer number (1769800062555).

Almost surely, 2^{40424022144020} is an apocalyptic number.

It is an amenable number.

40424022144020 is an abundant number, since it is smaller than the sum of its proper divisors (44526380858620).

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

40424022144020 is a wasteful number, since it uses less digits than its factorization.

40424022144020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131324 (or 131322 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 29.

Adding to 40424022144020 its reverse (2044122042404), we get a palindrome (42468144186424).

The spelling of 40424022144020 in words is "forty trillion, four hundred twenty-four billion, twenty-two million, one hundred forty-four thousand, twenty".