1002444441 has 16 divisors (see below), whose sum is σ = 1377714624. Its totient is φ = 647866944.

The previous prime is 1002444439. The next prime is 1002444449. The reversal of 1002444441 is 1444442001.

It is a happy number.

It is not a de Polignac number, because 1002444441 - 2¹ = 1002444439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1002444449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14446 + ... + 47048.

It is an arithmetic number, because the mean of its divisors is an integer number (86107164).

Almost surely, 2^1002444441 is an apocalyptic number.

It is an amenable number.

1002444441 is a deficient number, since it is larger than the sum of its proper divisors (375270183).

1002444441 is a wasteful number, since it uses less digits than its factorization.

1002444441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32920.

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 1002444441 is about 31661.4030169227. The cubic root of 1002444441 is about 1000.8141506455.

Adding to 1002444441 its reverse (1444442001), we get a palindrome (2446886442).

The spelling of 1002444441 in words is "one billion, two million, four hundred forty-four thousand, four hundred forty-one".