1828131256 has 32 divisors (see below), whose sum is σ = 4043796480. Its totient is φ = 758210400.

The previous prime is 1828131233. The next prime is 1828131259. The reversal of 1828131256 is 6521318281.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1828131259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 524800 + ... + 528271.

It is an arithmetic number, because the mean of its divisors is an integer number (126368640).

Almost surely, 2^1828131256 is an apocalyptic number.

It is an amenable number.

1828131256 is an abundant number, since it is smaller than the sum of its proper divisors (2215665224).

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

1828131256 is a wasteful number, since it uses less digits than its factorization.

1828131256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053115 (or 1053111 counting only the distinct ones).

The product of its digits is 23040, while the sum is 37.

The square root of 1828131256 is about 42756.6515994880. The cubic root of 1828131256 is about 1222.7447064030.

The spelling of 1828131256 in words is "one billion, eight hundred twenty-eight million, one hundred thirty-one thousand, two hundred fifty-six".