2021342140444 has 24 divisors (see below), whose sum is σ = 3859782490368. Its totient is φ = 918587933040.

The previous prime is 2021342140397. The next prime is 2021342140459. The reversal of 2021342140444 is 4440412431202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4898164 + ... + 5294779.

It is an arithmetic number, because the mean of its divisors is an integer number (160824270432).

Almost surely, 2^{2021342140444} is an apocalyptic number.

It is an amenable number.

2021342140444 is a deficient number, since it is larger than the sum of its proper divisors (1838440349924).

2021342140444 is a wasteful number, since it uses less digits than its factorization.

2021342140444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10197465 (or 10197463 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 2021342140444 its reverse (4440412431202), we get a palindrome (6461754571646).

The spelling of 2021342140444 in words is "two trillion, twenty-one billion, three hundred forty-two million, one hundred forty thousand, four hundred forty-four".