1026260688 has 80 divisors (see below), whose sum is σ = 2690827776. Its totient is φ = 337008000.

The previous prime is 1026260687. The next prime is 1026260731. The reversal of 1026260688 is 8860626201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1026260687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1240531 + ... + 1241357.

Almost surely, 2^1026260688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1026260688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1345413888).

1026260688 is an abundant number, since it is smaller than the sum of its proper divisors (1664567088).

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

1026260688 is a wasteful number, since it uses less digits than its factorization.

1026260688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192 (or 1186 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 1026260688 is about 32035.3037756785. The cubic root of 1026260688 is about 1008.6780365063.

Adding to 1026260688 its reverse (8860626201), we get a palindrome (9886886889).

The spelling of 1026260688 in words is "one billion, twenty-six million, two hundred sixty thousand, six hundred eighty-eight".