1144012164640 has 48 divisors (see below), whose sum is σ = 2844977627520. Its totient is φ = 433520398080.

The previous prime is 1144012164629. The next prime is 1144012164649. The reversal of 1144012164640 is 464612104411.

It is a junction number, because it is equal to n+sod(n) for n = 1144012164596 and 1144012164605.

It is not an unprimeable number, because it can be changed into a prime (1144012164649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188156856 + ... + 188162935.

It is an arithmetic number, because the mean of its divisors is an integer number (59270367240).

Almost surely, 2^{1144012164640} is an apocalyptic number.

1144012164640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144012164640 is an abundant number, since it is smaller than the sum of its proper divisors (1700965462880).

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

1144012164640 is a wasteful number, since it uses less digits than its factorization.

1144012164640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376319825 (or 376319817 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The spelling of 1144012164640 in words is "one trillion, one hundred forty-four billion, twelve million, one hundred sixty-four thousand, six hundred forty".