2154828528 has 80 divisors (see below), whose sum is σ = 6398474400. Its totient is φ = 693504000.

The previous prime is 2154828491. The next prime is 2154828583. The reversal of 2154828528 is 8258284512.

2154828528 is a `hidden beast` number, since 2 + 1 + 548 + 2 + 85 + 28 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73473 + ... + 98528.

It is an arithmetic number, because the mean of its divisors is an integer number (79980930).

Almost surely, 2^2154828528 is an apocalyptic number.

It is an amenable number.

2154828528 is an abundant number, since it is smaller than the sum of its proper divisors (4243645872).

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

2154828528 is a wasteful number, since it uses less digits than its factorization.

2154828528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172047 (or 172035 counting only the distinct ones).

The product of its digits is 409600, while the sum is 45.

The square root of 2154828528 is about 46420.1306331639. The cubic root of 2154828528 is about 1291.6283601062.

The spelling of 2154828528 in words is "two billion, one hundred fifty-four million, eight hundred twenty-eight thousand, five hundred twenty-eight".