1004404272 has 40 divisors (see below), whose sum is σ = 2643674544. Its totient is φ = 328483584.

The previous prime is 1004404253. The next prime is 1004404279. The reversal of 1004404272 is 2724044001.

It is a super-2 number, since 2×1004404272² = 2017655883223699968, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (1004404279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194863 + ... + 199950.

Almost surely, 2^1004404272 is an apocalyptic number.

1004404272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1004404272 is an abundant number, since it is smaller than the sum of its proper divisors (1639270272).

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

1004404272 is a wasteful number, since it uses less digits than its factorization.

1004404272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394877 (or 394871 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 1004404272 is about 31692.3377490522. The cubic root of 1004404272 is about 1001.4659406346.

Adding to 1004404272 its reverse (2724044001), we get a palindrome (3728448273).

The spelling of 1004404272 in words is "one billion, four million, four hundred four thousand, two hundred seventy-two".