1488728556 has 72 divisors (see below), whose sum is σ = 4553771040. Its totient is φ = 400329216.

The previous prime is 1488728551. The next prime is 1488728561. The reversal of 1488728556 is 6558278841.

1488728556 is a `hidden beast` number, since 1 + 4 + 8 + 87 + 2 + 8 + 556 = 666.

It is an interprime number because it is at equal distance from previous prime (1488728551) and next prime (1488728561).

It is not an unprimeable number, because it can be changed into a prime (1488728551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 169471 + ... + 178038.

It is an arithmetic number, because the mean of its divisors is an integer number (63246820).

Almost surely, 2^1488728556 is an apocalyptic number.

It is an amenable number.

1488728556 is an abundant number, since it is smaller than the sum of its proper divisors (3065042484).

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

1488728556 is a wasteful number, since it uses less digits than its factorization.

1488728556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347543 (or 347538 counting only the distinct ones).

The product of its digits is 4300800, while the sum is 54.

The square root of 1488728556 is about 38584.0453555612. The cubic root of 1488728556 is about 1141.8397901052.

The spelling of 1488728556 in words is "one billion, four hundred eighty-eight million, seven hundred twenty-eight thousand, five hundred fifty-six".