2028405250 has 32 divisors (see below), whose sum is σ = 3861561600. Its totient is φ = 797604400.

The previous prime is 2028405233. The next prime is 2028405263. The reversal of 2028405250 is 525048202.

It is a super-2 number, since 2×2028405250² = 8228855716455125000, which contains 22 as substring.

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, 54010 + ... + 83509.

It is an arithmetic number, because the mean of its divisors is an integer number (120673800).

Almost surely, 2^2028405250 is an apocalyptic number.

2028405250 is a deficient number, since it is larger than the sum of its proper divisors (1833156350).

2028405250 is a wasteful number, since it uses less digits than its factorization.

2028405250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137595 (or 137585 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 2028405250 is about 45037.8202181233. The cubic root of 2028405250 is about 1265.8577610820.

The spelling of 2028405250 in words is "two billion, twenty-eight million, four hundred five thousand, two hundred fifty".