2025728018530 has 8 divisors (see below), whose sum is σ = 3646310433372. Its totient is φ = 810291207408.

The previous prime is 2025728018519. The next prime is 2025728018539. The reversal of 2025728018530 is 358108275202.

It can be written as a sum of positive squares in 2 ways, for example, as 2013484374729 + 12243643801 = 1418973^2 + 110651^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2025728018539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101286400917 + ... + 101286400936.

Almost surely, 2^{2025728018530} is an apocalyptic number.

2025728018530 is a deficient number, since it is larger than the sum of its proper divisors (1620582414842).

2025728018530 is a wasteful number, since it uses less digits than its factorization.

2025728018530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202572801860.

The product of its (nonzero) digits is 268800, while the sum is 43.

The spelling of 2025728018530 in words is "two trillion, twenty-five billion, seven hundred twenty-eight million, eighteen thousand, five hundred thirty".