1840811368 has 32 divisors (see below), whose sum is σ = 3775196160. Its totient is φ = 834532480.

The previous prime is 1840811359. The next prime is 1840811369. The reversal of 1840811368 is 8631180481.

It is a self number, because there is not a number n which added to its sum of digits gives 1840811368.

It is not an unprimeable number, because it can be changed into a prime (1840811369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6396 + ... + 61012.

It is an arithmetic number, because the mean of its divisors is an integer number (117974880).

Almost surely, 2^1840811368 is an apocalyptic number.

It is an amenable number.

1840811368 is an abundant number, since it is smaller than the sum of its proper divisors (1934384792).

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

1840811368 is a wasteful number, since it uses less digits than its factorization.

1840811368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55017 (or 55013 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 40.

The square root of 1840811368 is about 42904.6776936968. The cubic root of 1840811368 is about 1225.5652242091.

The spelling of 1840811368 in words is "one billion, eight hundred forty million, eight hundred eleven thousand, three hundred sixty-eight".