1944143004 has 48 divisors (see below), whose sum is σ = 4886161280. Its totient is φ = 599659200.

The previous prime is 1944142999. The next prime is 1944143009. The reversal of 1944143004 is 4003414491.

It is an interprime number because it is at equal distance from previous prime (1944142999) and next prime (1944143009).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1944143009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89347 + ... + 108954.

Almost surely, 2^1944143004 is an apocalyptic number.

It is an amenable number.

1944143004 is an abundant number, since it is smaller than the sum of its proper divisors (2942018276).

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

1944143004 is a wasteful number, since it uses less digits than its factorization.

1944143004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198370 (or 198368 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 1944143004 is about 44092.4370385671. The cubic root of 1944143004 is about 1248.0808959930.

Adding to 1944143004 its reverse (4003414491), we get a palindrome (5947557495).

The spelling of 1944143004 in words is "one billion, nine hundred forty-four million, one hundred forty-three thousand, four".