1838062144 has 56 divisors (see below), whose sum is σ = 3764374488. Its totient is φ = 889896960.

The previous prime is 1838062099. The next prime is 1838062159. The reversal of 1838062144 is 4412608381.

It can be written as a sum of positive squares in 4 ways, for example, as 64641600 + 1773420544 = 8040^2 + 42112^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 356932 + ... + 362044.

It is an arithmetic number, because the mean of its divisors is an integer number (67220973).

Almost surely, 2^1838062144 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 1838062144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1882187244).

1838062144 is an abundant number, since it is smaller than the sum of its proper divisors (1926312344).

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

1838062144 is a wasteful number, since it uses less digits than its factorization.

1838062144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5303 (or 5293 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 1838062144 is about 42872.6269780614. The cubic root of 1838062144 is about 1224.9547991652.

The spelling of 1838062144 in words is "one billion, eight hundred thirty-eight million, sixty-two thousand, one hundred forty-four".