1002444408 has 96 divisors (see below), whose sum is σ = 3266140800. Its totient is φ = 271335744.

The previous prime is 1002444407. The next prime is 1002444413. The reversal of 1002444408 is 8044442001.

It is a happy number.

1002444408 is a `hidden beast` number, since 10 + 0 + 244 + 4 + 408 = 666.

It is a super-2 number, since 2×1002444408² = 2009789582260940928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002444407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42766 + ... + 61917.

It is an arithmetic number, because the mean of its divisors is an integer number (34022300).

Almost surely, 2^1002444408 is an apocalyptic number.

1002444408 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1002444408 is an abundant number, since it is smaller than the sum of its proper divisors (2263696392).

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

1002444408 is a wasteful number, since it uses less digits than its factorization.

1002444408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104721 (or 104714 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

The square root of 1002444408 is about 31661.4024957834. The cubic root of 1002444408 is about 1000.8141396634.

Adding to 1002444408 its reverse (8044442001), we get a palindrome (9046886409).

The spelling of 1002444408 in words is "one billion, two million, four hundred forty-four thousand, four hundred eight".