1828256730 has 64 divisors (see below), whose sum is σ = 4481215488. Its totient is φ = 477201920.

The previous prime is 1828256723. The next prime is 1828256753. The reversal of 1828256730 is 376528281.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 827287 + ... + 829493.

It is an arithmetic number, because the mean of its divisors is an integer number (70018992).

Almost surely, 2^1828256730 is an apocalyptic number.

1828256730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1828256730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2240607744).

1828256730 is an abundant number, since it is smaller than the sum of its proper divisors (2652958758).

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

1828256730 is a wasteful number, since it uses less digits than its factorization.

1828256730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2791.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 1828256730 is about 42758.1188781733. The cubic root of 1828256730 is about 1222.7726801711.

The spelling of 1828256730 in words is "one billion, eight hundred twenty-eight million, two hundred fifty-six thousand, seven hundred thirty".