1956486144 has 44 divisors (see below), whose sum is σ = 5214757064. Its totient is φ = 652161024.

The previous prime is 1956486139. The next prime is 1956486173. The reversal of 1956486144 is 4416846591.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 1956486093 and 1956486102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315367 + ... + 321510.

It is an arithmetic number, because the mean of its divisors is an integer number (118517206).

Almost surely, 2^1956486144 is an apocalyptic number.

It is an amenable number.

1956486144 is an abundant number, since it is smaller than the sum of its proper divisors (3258270920).

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

1956486144 is an equidigital number, since it uses as much as digits as its factorization.

1956486144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636900 (or 636882 counting only the distinct ones).

The product of its digits is 829440, while the sum is 48.

The square root of 1956486144 is about 44232.1844814384. The cubic root of 1956486144 is about 1250.7166331244.

The spelling of 1956486144 in words is "one billion, nine hundred fifty-six million, four hundred eighty-six thousand, one hundred forty-four".