2268903728 has 40 divisors (see below), whose sum is σ = 5410466208. Its totient is φ = 897587712.

The previous prime is 2268903727. The next prime is 2268903731. The reversal of 2268903728 is 8273098622.

It is not an unprimeable number, because it can be changed into a prime (2268903727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 777701 + ... + 780612.

Almost surely, 2^2268903728 is an apocalyptic number.

2268903728 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2268903728 is an abundant number, since it is smaller than the sum of its proper divisors (3141562480).

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

2268903728 is a wasteful number, since it uses less digits than its factorization.

2268903728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558341 (or 1558335 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 2268903728 is about 47633.0109063032. The cubic root of 2268903728 is about 1314.0302291132.

The spelling of 2268903728 in words is "two billion, two hundred sixty-eight million, nine hundred three thousand, seven hundred twenty-eight".