144440675856 has 60 divisors (see below), whose sum is σ = 404310409308. Its totient is φ = 48137705472.

The previous prime is 144440675851. The next prime is 144440675857. The reversal of 144440675856 is 658576044441.

144440675856 is a `hidden beast` number, since 1 + 44 + 440 + 67 + 58 + 56 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 136781625600 + 7659050256 = 369840^2 + 87516^2 .

It is a super-2 number, since 2×144440675856² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144440675851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 683596 + ... + 869588.

Almost surely, 2^144440675856 is an apocalyptic number.

144440675856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

144440675856 is an abundant number, since it is smaller than the sum of its proper divisors (259869733452).

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

144440675856 is a wasteful number, since it uses less digits than its factorization.

144440675856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191400 (or 191391 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 54.

The spelling of 144440675856 in words is "one hundred forty-four billion, four hundred forty million, six hundred seventy-five thousand, eight hundred fifty-six".