1944318792 has 128 divisors (see below), whose sum is σ = 5586940800. Its totient is φ = 558876672.

The previous prime is 1944318763. The next prime is 1944318821. The reversal of 1944318792 is 2978134491.

It is an interprime number because it is at equal distance from previous prime (1944318763) and next prime (1944318821).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 430498 + ... + 434990.

It is an arithmetic number, because the mean of its divisors is an integer number (43647975).

Almost surely, 2^1944318792 is an apocalyptic number.

1944318792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1944318792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2793470400).

1944318792 is an abundant number, since it is smaller than the sum of its proper divisors (3642622008).

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

1944318792 is a wasteful number, since it uses less digits than its factorization.

1944318792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4607 (or 4603 counting only the distinct ones).

The product of its digits is 435456, while the sum is 48.

The square root of 1944318792 is about 44094.4303965932. The cubic root of 1944318792 is about 1248.1185117157.

The spelling of 1944318792 in words is "one billion, nine hundred forty-four million, three hundred eighteen thousand, seven hundred ninety-two".