2028581632 has 72 divisors (see below), whose sum is σ = 5048451072. Its totient is φ = 790348800.

The previous prime is 2028581609. The next prime is 2028581651. The reversal of 2028581632 is 2361858202.

It is a junction number, because it is equal to n+sod(n) for n = 2028581591 and 2028581600.

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, 31744 + ... + 71167.

It is an arithmetic number, because the mean of its divisors is an integer number (70117376).

Almost surely, 2^2028581632 is an apocalyptic number.

2028581632 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2028581632 is an abundant number, since it is smaller than the sum of its proper divisors (3019869440).

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

2028581632 is a wasteful number, since it uses less digits than its factorization.

2028581632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102945 (or 102931 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 2028581632 is about 45039.7783298275. The cubic root of 2028581632 is about 1265.8944513262.

The spelling of 2028581632 in words is "two billion, twenty-eight million, five hundred eighty-one thousand, six hundred thirty-two".