1801850944 has 112 divisors (see below), whose sum is σ = 4006388736. Its totient is φ = 799948800.

The previous prime is 1801850933. The next prime is 1801850957. The reversal of 1801850944 is 4490581081.

It is a super-2 number, since 2×1801850944² = 6493333648787382272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1801850897 and 1801850906.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1382197 + ... + 1383499.

It is an arithmetic number, because the mean of its divisors is an integer number (35771328).

Almost surely, 2^1801850944 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 1801850944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2003194368).

1801850944 is an abundant number, since it is smaller than the sum of its proper divisors (2204537792).

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

1801850944 is a wasteful number, since it uses less digits than its factorization.

1801850944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404 (or 1394 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 1801850944 is about 42448.2148505682. The cubic root of 1801850944 is about 1216.8572123992.

The spelling of 1801850944 in words is "one billion, eight hundred one million, eight hundred fifty thousand, nine hundred forty-four".