1872425944464 has 20 divisors (see below), whose sum is σ = 4837100356656. Its totient is φ = 624141981472.

The previous prime is 1872425944447. The next prime is 1872425944469. The reversal of 1872425944464 is 4644495242781.

It is a junction number, because it is equal to n+sod(n) for n = 1872425944398 and 1872425944407.

It is not an unprimeable number, because it can be changed into a prime (1872425944469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19504436874 + ... + 19504436969.

Almost surely, 2^{1872425944464} is an apocalyptic number.

It is an amenable number.

1872425944464 is an abundant number, since it is smaller than the sum of its proper divisors (2964674412192).

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

1872425944464 is a wasteful number, since it uses less digits than its factorization.

1872425944464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39008873854 (or 39008873848 counting only the distinct ones).

The product of its digits is 61931520, while the sum is 60.

The spelling of 1872425944464 in words is "one trillion, eight hundred seventy-two billion, four hundred twenty-five million, nine hundred forty-four thousand, four hundred sixty-four".