244143703881 has 405 divisors, whose sum is σ = 503716580829. Its totient is φ = 117400298400.

The previous prime is 244143703879. The next prime is 244143703889. The reversal of 244143703881 is 188307341442.

The square root of 244143703881 is 494109.

It is a perfect power (a square), and thus also a powerful number.

244143703881 is a `hidden beast` number, since 244 + 1 + 4 + 370 + 38 + 8 + 1 = 666.

It is not a de Polignac number, because 244143703881 - 2¹ = 244143703879 is a prime.

It is a super-2 number, since 2×244143703881² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (244143703889) 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 404 ways as a sum of consecutive naturals, for example, 7875603336 + ... + 7875603366.

Almost surely, 2^244143703881 is an apocalyptic number.

244143703881 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

244143703881 is the 494109-th square number.

244143703881 is the 247055-th centered octagonal number.

It is an amenable number.

244143703881 is an abundant number, since it is smaller than the sum of its proper divisors (259572876948).

244143703881 is a wasteful number, since it uses less digits than its factorization.

244143703881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The spelling of 244143703881 in words is "two hundred forty-four billion, one hundred forty-three million, seven hundred three thousand, eight hundred eighty-one".