1026426650 has 12 divisors (see below), whose sum is σ = 1909153662. Its totient is φ = 410570640.

The previous prime is 1026426637. The next prime is 1026426659. The reversal of 1026426650 is 566246201.

1026426650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 615188809 + 411237841 = 24803^2 + 20279^2 .

It is not an unprimeable number, because it can be changed into a prime (1026426659) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10264217 + ... + 10264316.

Almost surely, 2^1026426650 is an apocalyptic number.

1026426650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1026426650 is a deficient number, since it is larger than the sum of its proper divisors (882727012).

1026426650 is a wasteful number, since it uses less digits than its factorization.

1026426650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20528545 (or 20528540 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1026426650 is about 32037.8939694856. The cubic root of 1026426650 is about 1008.7324064480.

The spelling of 1026426650 in words is "one billion, twenty-six million, four hundred twenty-six thousand, six hundred fifty".