2021344233140 has 24 divisors (see below), whose sum is σ = 4359547834152. Its totient is φ = 786685322880.

The previous prime is 2021344233071. The next prime is 2021344233187. The reversal of 2021344233140 is 413324431202.

It can be written as a sum of positive squares in 4 ways, for example, as 133457241124 + 1887886992016 = 365318^2 + 1374004^2 .

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, 1365772391 + ... + 1365773870.

It is an arithmetic number, because the mean of its divisors is an integer number (181647826423).

Almost surely, 2^{2021344233140} is an apocalyptic number.

2021344233140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021344233140 is an abundant number, since it is smaller than the sum of its proper divisors (2338203601012).

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

2021344233140 is a wasteful number, since it uses less digits than its factorization.

2021344233140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2731546307 (or 2731546305 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 2021344233140 its reverse (413324431202), we get a palindrome (2434668664342).

The spelling of 2021344233140 in words is "two trillion, twenty-one billion, three hundred forty-four million, two hundred thirty-three thousand, one hundred forty".