1810253056 has 36 divisors (see below), whose sum is σ = 3621712500. Its totient is φ = 903053312.

The previous prime is 1810253021. The next prime is 1810253057. The reversal of 1810253056 is 6503520181.

It can be written as a sum of positive squares in 2 ways, for example, as 450118656 + 1360134400 = 21216^2 + 36880^2 .

It is a super-2 number, since 2×1810253056² = 6554032253514678272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1810253057) by changing a digit.

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, 107070 + ... + 122818.

It is an arithmetic number, because the mean of its divisors is an integer number (100603125).

Almost surely, 2^1810253056 is an apocalyptic number.

1810253056 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 1810253056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1810856250).

1810253056 is an abundant number, since it is smaller than the sum of its proper divisors (1811459444).

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

1810253056 is an equidigital number, since it uses as much as digits as its factorization.

1810253056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16214 (or 16200 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 1810253056 is about 42547.0687121921. The cubic root of 1810253056 is about 1218.7457000383.

The spelling of 1810253056 in words is "one billion, eight hundred ten million, two hundred fifty-three thousand, fifty-six".