2144131233340 has 48 divisors (see below), whose sum is σ = 4619561647680. Its totient is φ = 835452561920.

The previous prime is 2144131233337. The next prime is 2144131233353. The reversal of 2144131233340 is 433321314412.

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, 1466680 + ... + 2537599.

It is an arithmetic number, because the mean of its divisors is an integer number (96240867660).

Almost surely, 2^{2144131233340} is an apocalyptic number.

2144131233340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2144131233340 is an abundant number, since it is smaller than the sum of its proper divisors (2475430414340).

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

2144131233340 is a wasteful number, since it uses less digits than its factorization.

2144131233340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4004982 (or 4004980 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 2144131233340 its reverse (433321314412), we get a palindrome (2577452547752).

The spelling of 2144131233340 in words is "two trillion, one hundred forty-four billion, one hundred thirty-one million, two hundred thirty-three thousand, three hundred forty".