2444135051540 has 48 divisors (see below), whose sum is σ = 6317149060992. Its totient is φ = 773528455296.

The previous prime is 2444135051507. The next prime is 2444135051543. The reversal of 2444135051540 is 451505314442.

It is a junction number, because it is equal to n+sod(n) for n = 2444135051494 and 2444135051503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2444135051543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 671463854 + ... + 671467493.

It is an arithmetic number, because the mean of its divisors is an integer number (131607272104).

Almost surely, 2^{2444135051540} is an apocalyptic number.

2444135051540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2444135051540 is an abundant number, since it is smaller than the sum of its proper divisors (3873014009452).

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

2444135051540 is a wasteful number, since it uses less digits than its factorization.

2444135051540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342931376 (or 1342931374 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 38.

The spelling of 2444135051540 in words is "two trillion, four hundred forty-four billion, one hundred thirty-five million, fifty-one thousand, five hundred forty".