1044661266 has 32 divisors (see below), whose sum is σ = 2532513600. Its totient is φ = 316563840.

The previous prime is 1044661259. The next prime is 1044661273. The reversal of 1044661266 is 6621664401.

It is an interprime number because it is at equal distance from previous prime (1044661259) and next prime (1044661273).

It is a self number, because there is not a number n which added to its sum of digits gives 1044661266.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 878751 + ... + 879938.

It is an arithmetic number, because the mean of its divisors is an integer number (79141050).

Almost surely, 2^1044661266 is an apocalyptic number.

1044661266 is an abundant number, since it is smaller than the sum of its proper divisors (1487852334).

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

1044661266 is a wasteful number, since it uses less digits than its factorization.

1044661266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1758711 (or 1758705 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 1044661266 is about 32321.2200574174. The cubic root of 1044661266 is about 1014.6708036427.

The spelling of 1044661266 in words is "one billion, forty-four million, six hundred sixty-one thousand, two hundred sixty-six".