1504489904 has 20 divisors (see below), whose sum is σ = 2951849760. Its totient is φ = 742722240.

The previous prime is 1504489897. The next prime is 1504489907. The reversal of 1504489904 is 4099844051.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1504489907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 593867 + ... + 596394.

It is an arithmetic number, because the mean of its divisors is an integer number (147592488).

Almost surely, 2^1504489904 is an apocalyptic number.

It is an amenable number.

1504489904 is a deficient number, since it is larger than the sum of its proper divisors (1447359856).

1504489904 is a wasteful number, since it uses less digits than its factorization.

1504489904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190348 (or 1190342 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 1504489904 is about 38787.7545624905. The cubic root of 1504489904 is about 1145.8552508736.

The spelling of 1504489904 in words is "one billion, five hundred four million, four hundred eighty-nine thousand, nine hundred four".