2021424243040 has 48 divisors (see below), whose sum is σ = 4794641223120. Its totient is φ = 805348288000.

The previous prime is 2021424242983. The next prime is 2021424243071. The reversal of 2021424243040 is 403424241202.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 25126975 + ... + 25207294.

It is an arithmetic number, because the mean of its divisors is an integer number (99888358815).

Almost surely, 2^{2021424243040} is an apocalyptic number.

2021424243040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021424243040 is an abundant number, since it is smaller than the sum of its proper divisors (2773216980080).

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

2021424243040 is a wasteful number, since it uses less digits than its factorization.

2021424243040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50334535 (or 50334527 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 2021424243040 its reverse (403424241202), we get a palindrome (2424848484242).

The spelling of 2021424243040 in words is "two trillion, twenty-one billion, four hundred twenty-four million, two hundred forty-three thousand, forty".