1828968640 has 28 divisors (see below), whose sum is σ = 4355232336. Its totient is φ = 731587328.

The previous prime is 1828968623. The next prime is 1828968653. The reversal of 1828968640 is 468698281.

It is a super-2 number, since 2×1828968640² = 6690252572206899200, which contains 22 as substring.

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, 2857444 + ... + 2858083.

It is an arithmetic number, because the mean of its divisors is an integer number (155544012).

Almost surely, 2^1828968640 is an apocalyptic number.

1828968640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1828968640 is an abundant number, since it is smaller than the sum of its proper divisors (2526263696).

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

1828968640 is an equidigital number, since it uses as much as digits as its factorization.

1828968640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5715544 (or 5715534 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 52.

The square root of 1828968640 is about 42766.4429196537. The cubic root of 1828968640 is about 1222.9313725326.

The spelling of 1828968640 in words is "one billion, eight hundred twenty-eight million, nine hundred sixty-eight thousand, six hundred forty".