1840853268 has 36 divisors (see below), whose sum is σ = 4659683028. Its totient is φ = 612771840.

The previous prime is 1840853249. The next prime is 1840853269. The reversal of 1840853268 is 8623580481.

1840853268 is a `hidden beast` number, since 18 + 40 + 8 + 532 + 68 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1655838864 + 185014404 = 40692^2 + 13602^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1840853269) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8493 + ... + 61268.

Almost surely, 2^1840853268 is an apocalyptic number.

1840853268 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1840853268 is an abundant number, since it is smaller than the sum of its proper divisors (2818829760).

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

1840853268 is a wasteful number, since it uses less digits than its factorization.

1840853268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70504 (or 70499 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The square root of 1840853268 is about 42905.1659826646. The cubic root of 1840853268 is about 1225.5745227887.

The spelling of 1840853268 in words is "one billion, eight hundred forty million, eight hundred fifty-three thousand, two hundred sixty-eight".