1930340256 has 96 divisors (see below), whose sum is σ = 5476584960. Its totient is φ = 591811584.

The previous prime is 1930340249. The next prime is 1930340257. The reversal of 1930340256 is 6520430391.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (1930340257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363025 + ... + 368303.

It is an arithmetic number, because the mean of its divisors is an integer number (57047760).

Almost surely, 2^1930340256 is an apocalyptic number.

1930340256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1930340256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2738292480).

1930340256 is an abundant number, since it is smaller than the sum of its proper divisors (3546244704).

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

1930340256 is a wasteful number, since it uses less digits than its factorization.

1930340256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5598 (or 5590 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 1930340256 is about 43935.6376532764. The cubic root of 1930340256 is about 1245.1202296755.

The spelling of 1930340256 in words is "one billion, nine hundred thirty million, three hundred forty thousand, two hundred fifty-six".