1550043441 has 12 divisors (see below), whose sum is σ = 2244128068. Its totient is φ = 1030973184.

The previous prime is 1550043433. The next prime is 1550043461. The reversal of 1550043441 is 1443400551.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 871961841 + 678081600 = 29529^2 + 26040^2 .

It is not a de Polignac number, because 1550043441 - 2³ = 1550043433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1550043401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 194980 + ... + 202773.

Almost surely, 2^1550043441 is an apocalyptic number.

It is an amenable number.

1550043441 is a deficient number, since it is larger than the sum of its proper divisors (694084627).

1550043441 is a wasteful number, since it uses less digits than its factorization.

1550043441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398192 (or 398189 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1550043441 is about 39370.5910674453. The cubic root of 1550043441 is about 1157.3053387816.

Adding to 1550043441 its reverse (1443400551), we get a palindrome (2993443992).

The spelling of 1550043441 in words is "one billion, five hundred fifty million, forty-three thousand, four hundred forty-one".