2134440344040 has 64 divisors (see below), whose sum is σ = 6407621985600. Its totient is φ = 568801784832.

The previous prime is 2134440343963. The next prime is 2134440344041. The reversal of 2134440344040 is 404430444312.

It is a junction number, because it is equal to n+sod(n) for n = 2134440343992 and 2134440344010.

It is not an unprimeable number, because it can be changed into a prime (2134440344041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5794122 + ... + 6151481.

It is an arithmetic number, because the mean of its divisors is an integer number (100119093525).

Almost surely, 2^{2134440344040} is an apocalyptic number.

2134440344040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2134440344040 is an abundant number, since it is smaller than the sum of its proper divisors (4273181641560).

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

2134440344040 is a wasteful number, since it uses less digits than its factorization.

2134440344040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11947106 (or 11947102 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 2134440344040 its reverse (404430444312), we get a palindrome (2538870788352).

The spelling of 2134440344040 in words is "two trillion, one hundred thirty-four billion, four hundred forty million, three hundred forty-four thousand, forty".