1920568256 has 14 divisors (see below), whose sum is σ = 3811127760. Its totient is φ = 960284096.

The previous prime is 1920568253. The next prime is 1920568259. The reversal of 1920568256 is 6528650291.

It is an interprime number because it is at equal distance from previous prime (1920568253) and next prime (1920568259).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1920568253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15004376 + ... + 15004503.

Almost surely, 2^1920568256 is an apocalyptic number.

1920568256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1920568256 is a deficient number, since it is larger than the sum of its proper divisors (1890559504).

1920568256 is an equidigital number, since it uses as much as digits as its factorization.

1920568256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30008891 (or 30008881 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 1920568256 is about 43824.2884254839. The cubic root of 1920568256 is about 1243.0156085862.

The spelling of 1920568256 in words is "one billion, nine hundred twenty million, five hundred sixty-eight thousand, two hundred fifty-six".