2026581228 has 192 divisors, whose sum is σ = 6345687040. Its totient is φ = 547041600.

The previous prime is 2026581217. The next prime is 2026581241. The reversal of 2026581228 is 8221856202.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2026581192 and 2026581201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1006743 + ... + 1008753.

Almost surely, 2^2026581228 is an apocalyptic number.

2026581228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2026581228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3172843520).

2026581228 is an abundant number, since it is smaller than the sum of its proper divisors (4319105812).

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

2026581228 is a wasteful number, since it uses less digits than its factorization.

2026581228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2105 (or 2097 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 2026581228 is about 45017.5657715963. The cubic root of 2026581228 is about 1265.4782108826.

The spelling of 2026581228 in words is "two billion, twenty-six million, five hundred eighty-one thousand, two hundred twenty-eight".