1004491152 has 160 divisors (see below), whose sum is σ = 3308002560. Its totient is φ = 285880320.

The previous prime is 1004491151. The next prime is 1004491177. The reversal of 1004491152 is 2511944001.

1004491152 is a `hidden beast` number, since 100 + 449 + 115 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004491151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1067002 + ... + 1067942.

It is an arithmetic number, because the mean of its divisors is an integer number (20675016).

Almost surely, 2^1004491152 is an apocalyptic number.

1004491152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1004491152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1654001280).

1004491152 is an abundant number, since it is smaller than the sum of its proper divisors (2303511408).

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

1004491152 is a wasteful number, since it uses less digits than its factorization.

1004491152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318 (or 1306 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1004491152 is about 31693.7083977246. The cubic root of 1004491152 is about 1001.4948150812.

The spelling of 1004491152 in words is "one billion, four million, four hundred ninety-one thousand, one hundred fifty-two".