1026442636 has 6 divisors (see below), whose sum is σ = 1796274620. Its totient is φ = 513221316.

The previous prime is 1026442633. The next prime is 1026442639. The reversal of 1026442636 is 6362446201.

1026442636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1026442633) and next prime (1026442639).

It is not an unprimeable number, because it can be changed into a prime (1026442631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128305326 + ... + 128305333.

Almost surely, 2^1026442636 is an apocalyptic number.

It is an amenable number.

1026442636 is a deficient number, since it is larger than the sum of its proper divisors (769831984).

1026442636 is a wasteful number, since it uses less digits than its factorization.

1026442636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256610663 (or 256610661 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 1026442636 is about 32038.1434543264. The cubic root of 1026442636 is about 1008.7376432283.

Adding to 1026442636 its reverse (6362446201), we get a palindrome (7388888837).

It can be divided in two parts, 10264 and 42636, that added together give a square (52900 = 230²).

The spelling of 1026442636 in words is "one billion, twenty-six million, four hundred forty-two thousand, six hundred thirty-six".