9944144776386 has 48 divisors (see below), whose sum is σ = 22176055224960. Its totient is φ = 3219104734560.

The previous prime is 9944144776373. The next prime is 9944144776387. The reversal of 9944144776386 is 6836774414499.

9944144776386 is a `hidden beast` number, since 9 + 9 + 4 + 4 + 14 + 477 + 63 + 86 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9944144776387) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57233500 + ... + 57406983.

It is an arithmetic number, because the mean of its divisors is an integer number (462001150520).

Almost surely, 2^{9944144776386} is an apocalyptic number.

9944144776386 is an abundant number, since it is smaller than the sum of its proper divisors (12231910448574).

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

9944144776386 is a wasteful number, since it uses less digits than its factorization.

9944144776386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114640631 (or 114640628 counting only the distinct ones).

The product of its digits is 877879296, while the sum is 72.

The spelling of 9944144776386 in words is "nine trillion, nine hundred forty-four billion, one hundred forty-four million, seven hundred seventy-six thousand, three hundred eighty-six".