1805852768 has 24 divisors (see below), whose sum is σ = 3637956168. Its totient is φ = 881927424.

The previous prime is 1805852767. The next prime is 1805852771. The reversal of 1805852768 is 8672585081.

It is a super-2 number, since 2×1805852768² = 6522208439386523648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1805852767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 654821 + ... + 657572.

It is an arithmetic number, because the mean of its divisors is an integer number (151581507).

Almost surely, 2^1805852768 is an apocalyptic number.

It is an amenable number.

1805852768 is an abundant number, since it is smaller than the sum of its proper divisors (1832103400).

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

1805852768 is a wasteful number, since it uses less digits than its factorization.

1805852768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312446 (or 1312438 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 50.

The square root of 1805852768 is about 42495.3264253847. The cubic root of 1805852768 is about 1217.7574066818.

The spelling of 1805852768 in words is "one billion, eight hundred five million, eight hundred fifty-two thousand, seven hundred sixty-eight".