4144789194 has 128 divisors (see below), whose sum is σ = 10398474240. Its totient is φ = 1072341504.

The previous prime is 4144789189. The next prime is 4144789211. The reversal of 4144789194 is 4919874414.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13241982 + ... + 13242294.

It is an arithmetic number, because the mean of its divisors is an integer number (81238080).

Almost surely, 2^4144789194 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4144789194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5199237120).

4144789194 is an abundant number, since it is smaller than the sum of its proper divisors (6253685046).

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

4144789194 is a wasteful number, since it uses less digits than its factorization.

4144789194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724.

The product of its digits is 1161216, while the sum is 51.

The square root of 4144789194 is about 64380.0372320489. The cubic root of 4144789194 is about 1606.3277017648.

The spelling of 4144789194 in words is "four billion, one hundred forty-four million, seven hundred eighty-nine thousand, one hundred ninety-four".