1868074944 has 112 divisors (see below), whose sum is σ = 5096256000. Its totient is φ = 603472896.

The previous prime is 1868074931. The next prime is 1868074951. The reversal of 1868074944 is 4494708681.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3118357 + ... + 3118955.

Almost surely, 2^1868074944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1868074944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2548128000).

1868074944 is an abundant number, since it is smaller than the sum of its proper divisors (3228181056).

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

1868074944 is a wasteful number, since it uses less digits than its factorization.

1868074944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090 (or 1080 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 51.

The square root of 1868074944 is about 43221.2325599352. The cubic root of 1868074944 is about 1231.5860615327.

The spelling of 1868074944 in words is "one billion, eight hundred sixty-eight million, seventy-four thousand, nine hundred forty-four".