1677820144244 has 24 divisors (see below), whose sum is σ = 2937685839648. Its totient is φ = 838481444640.

The previous prime is 1677820144243. The next prime is 1677820144267. The reversal of 1677820144244 is 4424410287761.

It is a junction number, because it is equal to n+sod(n) for n = 1677820144192 and 1677820144201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1677820144241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101968322 + ... + 101984774.

It is an arithmetic number, because the mean of its divisors is an integer number (122403576652).

Almost surely, 2^{1677820144244} is an apocalyptic number.

It is an amenable number.

1677820144244 is a deficient number, since it is larger than the sum of its proper divisors (1259865695404).

1677820144244 is a wasteful number, since it uses less digits than its factorization.

1677820144244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27935 (or 27933 counting only the distinct ones).

The product of its (nonzero) digits is 2408448, while the sum is 50.

The spelling of 1677820144244 in words is "one trillion, six hundred seventy-seven billion, eight hundred twenty million, one hundred forty-four thousand, two hundred forty-four".