1604725488 has 60 divisors (see below), whose sum is σ = 4495029760. Its totient is φ = 534428928.

The previous prime is 1604725487. The next prime is 1604725517. The reversal of 1604725488 is 8845274061.

1604725488 is a `hidden beast` number, since 1 + 60 + 47 + 2 + 548 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1604725487) 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 11 ways as a sum of consecutive naturals, for example, 179820 + ... + 188532.

Almost surely, 2^1604725488 is an apocalyptic number.

1604725488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1604725488 is an abundant number, since it is smaller than the sum of its proper divisors (2890304272).

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

1604725488 is a wasteful number, since it uses less digits than its factorization.

1604725488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10006 (or 9997 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The square root of 1604725488 is about 40059.0250505426. The cubic root of 1604725488 is about 1170.7574144594.

The spelling of 1604725488 in words is "one billion, six hundred four million, seven hundred twenty-five thousand, four hundred eighty-eight".