1004553312 has 72 divisors (see below), whose sum is σ = 3067489656. Its totient is φ = 287013888.

The previous prime is 1004553299. The next prime is 1004553379. The reversal of 1004553312 is 2133554001.

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 11 ways as a sum of consecutive naturals, for example, 102073 + ... + 111480.

It is an arithmetic number, because the mean of its divisors is an integer number (42604023).

Almost surely, 2^1004553312 is an apocalyptic number.

1004553312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1004553312 is an abundant number, since it is smaller than the sum of its proper divisors (2062936344).

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

1004553312 is a wasteful number, since it uses less digits than its factorization.

1004553312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213580 (or 213565 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1004553312 is about 31694.6890188246. The cubic root of 1004553312 is about 1001.5154728485.

The spelling of 1004553312 in words is "one billion, four million, five hundred fifty-three thousand, three hundred twelve".