2028552478 has 16 divisors (see below), whose sum is σ = 3074896080. Its totient is φ = 1003600000.

The previous prime is 2028552451. The next prime is 2028552503. The reversal of 2028552478 is 8742558202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 622353 + ... + 625603.

It is an arithmetic number, because the mean of its divisors is an integer number (192181005).

Almost surely, 2^2028552478 is an apocalyptic number.

2028552478 is a deficient number, since it is larger than the sum of its proper divisors (1046343602).

2028552478 is a wasteful number, since it uses less digits than its factorization.

2028552478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6443.

The product of its (nonzero) digits is 358400, while the sum is 43.

The square root of 2028552478 is about 45039.4546814235. The cubic root of 2028552478 is about 1265.8883869801. Note that the first 3 decimals are identical.

The spelling of 2028552478 in words is "two billion, twenty-eight million, five hundred fifty-two thousand, four hundred seventy-eight".