1004424144 has 40 divisors (see below), whose sum is σ = 2607086112. Its totient is φ = 333217920.

The previous prime is 1004424139. The next prime is 1004424167. The reversal of 1004424144 is 4414244001.

It is a happy number.

It is a super-2 number, since 2×1004424144² = 2017735722100265472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39459 + ... + 59714.

Almost surely, 2^1004424144 is an apocalyptic number.

It is an amenable number.

1004424144 is an abundant number, since it is smaller than the sum of its proper divisors (1602661968).

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

1004424144 is a wasteful number, since it uses less digits than its factorization.

1004424144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99395 (or 99389 counting only the distinct ones).

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

The square root of 1004424144 is about 31692.6512617673. The cubic root of 1004424144 is about 1001.4725452129.

Adding to 1004424144 its reverse (4414244001), we get a palindrome (5418668145).

It can be divided in two parts, 100 and 4424144, that added together give a palindrome (4424244).

The spelling of 1004424144 in words is "one billion, four million, four hundred twenty-four thousand, one hundred forty-four".