1844863968 has 48 divisors (see below), whose sum is σ = 4855845456. Its totient is φ = 613294080.

The previous prime is 1844863967. The next prime is 1844863973. The reversal of 1844863968 is 8693684481.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1844863967) 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, 10048 + ... + 61568.

It is an arithmetic number, because the mean of its divisors is an integer number (101163447).

Almost surely, 2^1844863968 is an apocalyptic number.

It is an amenable number.

1844863968 is an abundant number, since it is smaller than the sum of its proper divisors (3010981488).

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

1844863968 is a wasteful number, since it uses less digits than its factorization.

1844863968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51907 (or 51899 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 57.

The square root of 1844863968 is about 42951.8796794739. The cubic root of 1844863968 is about 1226.4639375642.

The spelling of 1844863968 in words is "one billion, eight hundred forty-four million, eight hundred sixty-three thousand, nine hundred sixty-eight".