1004925440 has 40 divisors (see below), whose sum is σ = 2409471900. Its totient is φ = 401969152.

The previous prime is 1004925401. The next prime is 1004925463. The reversal of 1004925440 is 445294001.

1004925440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 996538624 + 8386816 = 31568^2 + 2896^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193715 + ... + 198834.

Almost surely, 2^1004925440 is an apocalyptic number.

1004925440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1004925440 is an abundant number, since it is smaller than the sum of its proper divisors (1404546460).

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

1004925440 is an frugal number, since it uses more digits than its factorization.

1004925440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392572 (or 392556 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 1004925440 is about 31700.5589856078. The cubic root of 1004925440 is about 1001.6391251342.

The spelling of 1004925440 in words is "one billion, four million, nine hundred twenty-five thousand, four hundred forty".