1956909472 has 144 divisors (see below), whose sum is σ = 4677378048. Its totient is φ = 802690560.

The previous prime is 1956909431. The next prime is 1956909481. The reversal of 1956909472 is 2749096591.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6173058 + ... + 6173374.

It is an arithmetic number, because the mean of its divisors is an integer number (32481792).

Almost surely, 2^1956909472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1956909472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2338689024).

1956909472 is an abundant number, since it is smaller than the sum of its proper divisors (2720468576).

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

1956909472 is a wasteful number, since it uses less digits than its factorization.

1956909472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499 (or 484 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 52.

The square root of 1956909472 is about 44236.9695164576. The cubic root of 1956909472 is about 1250.8068331309.

The spelling of 1956909472 in words is "one billion, nine hundred fifty-six million, nine hundred nine thousand, four hundred seventy-two".