1028626488 has 48 divisors (see below), whose sum is σ = 2787384600. Its totient is φ = 342688320.

The previous prime is 1028626483. The next prime is 1028626519. The reversal of 1028626488 is 8846268201.

1028626488 is a `hidden beast` number, since 10 + 2 + 8 + 626 + 4 + 8 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028626483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 209178 + ... + 214038.

Almost surely, 2^1028626488 is an apocalyptic number.

1028626488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1028626488 is an abundant number, since it is smaller than the sum of its proper divisors (1758758112).

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

1028626488 is a wasteful number, since it uses less digits than its factorization.

1028626488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7812 (or 7805 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The square root of 1028626488 is about 32072.2074076606. The cubic root of 1028626488 is about 1009.4525307992.

The spelling of 1028626488 in words is "one billion, twenty-eight million, six hundred twenty-six thousand, four hundred eighty-eight".