1000266642 has 24 divisors (see below), whose sum is σ = 2261473344. Its totient is φ = 318925464.

The previous prime is 1000266629. The next prime is 1000266649. The reversal of 1000266642 is 2466620001.

It is a happy number.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1000266649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1207638 + ... + 1208465.

It is an arithmetic number, because the mean of its divisors is an integer number (94228056).

Almost surely, 2^1000266642 is an apocalyptic number.

1000266642 is an abundant number, since it is smaller than the sum of its proper divisors (1261206702).

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

1000266642 is a wasteful number, since it uses less digits than its factorization.

1000266642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2416134 (or 2416131 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 1000266642 is about 31626.9923008812. The cubic root of 1000266642 is about 1000.0888727681.

Adding to 1000266642 its reverse (2466620001), we get a palindrome (3466886643).

The spelling of 1000266642 in words is "one billion, two hundred sixty-six thousand, six hundred forty-two".