1528048980 has 36 divisors (see below), whose sum is σ = 4635082452. Its totient is φ = 407479680.

The previous prime is 1528048979. The next prime is 1528049009. The reversal of 1528048980 is 898408251.

It is a happy number.

1528048980 is a `hidden beast` number, since 1 + 528 + 0 + 48 + 9 + 80 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 301508496 + 1226540484 = 17364^2 + 35022^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 4244401 + ... + 4244760.

Almost surely, 2^1528048980 is an apocalyptic number.

1528048980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1528048980 is an abundant number, since it is smaller than the sum of its proper divisors (3107033472).

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

1528048980 is a wasteful number, since it uses less digits than its factorization.

1528048980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8489176 (or 8489171 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 45.

The square root of 1528048980 is about 39090.2670750661. The cubic root of 1528048980 is about 1151.8053508656.

The spelling of 1528048980 in words is "one billion, five hundred twenty-eight million, forty-eight thousand, nine hundred eighty".