1004455044 has 36 divisors (see below), whose sum is σ = 2569637616. Its totient is φ = 330783408.

The previous prime is 1004455043. The next prime is 1004455061. The reversal of 1004455044 is 4405544001.

1004455044 is a `hidden beast` number, since 100 + 4 + 4 + 550 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 1004454999 and 1004455017.

It is not an unprimeable number, because it can be changed into a prime (1004455043) 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, 165094 + ... + 171069.

Almost surely, 2^1004455044 is an apocalyptic number.

It is an amenable number.

1004455044 is an abundant number, since it is smaller than the sum of its proper divisors (1565182572).

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

1004455044 is a wasteful number, since it uses less digits than its factorization.

1004455044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336256 (or 336251 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 1004455044 is about 31693.1387527332. The cubic root of 1004455044 is about 1001.4828148400.

Adding to 1004455044 its reverse (4405544001), we get a palindrome (5409999045).

The spelling of 1004455044 in words is "one billion, four million, four hundred fifty-five thousand, forty-four".