2144440653300 has 144 divisors (see below), whose sum is σ = 7520705102400. Its totient is φ = 519864393600.

The previous prime is 2144440653149. The next prime is 2144440653301. The reversal of 2144440653300 is 33560444412.

2144440653300 is a `hidden beast` number, since 214 + 4 + 4 + 406 + 5 + 3 + 30 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144440653301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36071995 + ... + 36131394.

Almost surely, 2^{2144440653300} is an apocalyptic number.

2144440653300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2144440653300 is an abundant number, since it is smaller than the sum of its proper divisors (5376264449100).

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

2144440653300 is a wasteful number, since it uses less digits than its factorization.

2144440653300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72203423 (or 72203410 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The spelling of 2144440653300 in words is "two trillion, one hundred forty-four billion, four hundred forty million, six hundred fifty-three thousand, three hundred".