1026764500 has 24 divisors (see below), whose sum is σ = 2242454760. Its totient is φ = 410705600.

The previous prime is 1026764489. The next prime is 1026764533. The reversal of 1026764500 is 54676201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 25421764 + 1001342736 = 5042^2 + 31644^2 .

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1026265 + ... + 1027264.

It is an arithmetic number, because the mean of its divisors is an integer number (93435615).

Almost surely, 2^1026764500 is an apocalyptic number.

1026764500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1026764500 is an abundant number, since it is smaller than the sum of its proper divisors (1215690260).

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

1026764500 is a wasteful number, since it uses less digits than its factorization.

1026764500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053548 (or 2053536 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 1026764500 is about 32043.1661981147. The cubic root of 1026764500 is about 1008.8430696109.

The spelling of 1026764500 in words is "one billion, twenty-six million, seven hundred sixty-four thousand, five hundred".