2028280528 has 10 divisors (see below), whose sum is σ = 3929793554. Its totient is φ = 1014140256.

The previous prime is 2028280519. The next prime is 2028280547. The reversal of 2028280528 is 8250828202.

It can be written as a sum of positive squares in only one way, i.e., 1283645584 + 744634944 = 35828^2 + 27288^2 .

It is a super-2 number, since 2×2028280528² = 8227843800527917568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63383751 + ... + 63383782.

Almost surely, 2^2028280528 is an apocalyptic number.

It is an amenable number.

2028280528 is a deficient number, since it is larger than the sum of its proper divisors (1901513026).

2028280528 is a wasteful number, since it uses less digits than its factorization.

2028280528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126767541 (or 126767535 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 37.

The square root of 2028280528 is about 45036.4355605547. The cubic root of 2028280528 is about 1265.8318156506.

The spelling of 2028280528 in words is "two billion, twenty-eight million, two hundred eighty thousand, five hundred twenty-eight".