1810795456 has 56 divisors (see below), whose sum is σ = 3853921680. Its totient is φ = 841531392.

The previous prime is 1810795447. The next prime is 1810795487. The reversal of 1810795456 is 6545970181.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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, 50400 + ... + 78496.

It is an arithmetic number, because the mean of its divisors is an integer number (68820030).

Almost surely, 2^1810795456 is an apocalyptic number.

1810795456 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 1810795456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1926960840).

1810795456 is an abundant number, since it is smaller than the sum of its proper divisors (2043126224).

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

1810795456 is a wasteful number, since it uses less digits than its factorization.

1810795456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28181 (or 28171 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 46.

The square root of 1810795456 is about 42553.4423519414. The cubic root of 1810795456 is about 1218.8674107671.

The spelling of 1810795456 in words is "one billion, eight hundred ten million, seven hundred ninety-five thousand, four hundred fifty-six".