2142444013340 has 48 divisors (see below), whose sum is σ = 4604228051808. Its totient is φ = 836963414784.

The previous prime is 2142444013331. The next prime is 2142444013349. The reversal of 2142444013340 is 433104442412.

It is an interprime number because it is at equal distance from previous prime (2142444013331) and next prime (2142444013349).

It is a junction number, because it is equal to n+sod(n) for n = 2142444013297 and 2142444013306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142444013349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8765834 + ... + 9006926.

It is an arithmetic number, because the mean of its divisors is an integer number (95921417746).

Almost surely, 2^{2142444013340} is an apocalyptic number.

2142444013340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2142444013340 is an abundant number, since it is smaller than the sum of its proper divisors (2461784038468).

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

2142444013340 is a wasteful number, since it uses less digits than its factorization.

2142444013340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251478 (or 251476 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 2142444013340 its reverse (433104442412), we get a palindrome (2575548455752).

The spelling of 2142444013340 in words is "two trillion, one hundred forty-two billion, four hundred forty-four million, thirteen thousand, three hundred forty".