1801444348 has 48 divisors (see below), whose sum is σ = 3617187840. Its totient is φ = 777441600.

The previous prime is 1801444339. The next prime is 1801444349. The reversal of 1801444348 is 8434441081.

It is a happy number.

It is a super-2 number, since 2×1801444348² = 6490403477882290208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1801444349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59833 + ... + 84751.

It is an arithmetic number, because the mean of its divisors is an integer number (75358080).

Almost surely, 2^1801444348 is an apocalyptic number.

It is an amenable number.

1801444348 is an abundant number, since it is smaller than the sum of its proper divisors (1815743492).

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

1801444348 is a wasteful number, since it uses less digits than its factorization.

1801444348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25018 (or 25016 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 37.

The square root of 1801444348 is about 42443.4252623419. The cubic root of 1801444348 is about 1216.7656756941.

The spelling of 1801444348 in words is "one billion, eight hundred one million, four hundred forty-four thousand, three hundred forty-eight".