2025478728 has 192 divisors, whose sum is σ = 6823340160. Its totient is φ = 528519168.

The previous prime is 2025478723. The next prime is 2025478729. The reversal of 2025478728 is 8278745202.

2025478728 is a `hidden beast` number, since 2 + 0 + 2 + 547 + 87 + 28 = 666.

It is not an unprimeable number, because it can be changed into a prime (2025478723) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 633951 + ... + 637137.

It is an arithmetic number, because the mean of its divisors is an integer number (35538230).

Almost surely, 2^2025478728 is an apocalyptic number.

2025478728 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2025478728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3411670080).

2025478728 is an abundant number, since it is smaller than the sum of its proper divisors (4797861432).

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

2025478728 is a wasteful number, since it uses less digits than its factorization.

2025478728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3316 (or 3309 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 45.

The square root of 2025478728 is about 45005.3188856606. The cubic root of 2025478728 is about 1265.2486875868.

The spelling of 2025478728 in words is "two billion, twenty-five million, four hundred seventy-eight thousand, seven hundred twenty-eight".