1266484044 has 96 divisors (see below), whose sum is σ = 3512320000. Its totient is φ = 347561280.

The previous prime is 1266484019. The next prime is 1266484061. The reversal of 1266484044 is 4404846621.

It is a junction number, because it is equal to n+sod(n) for n = 1266483993 and 1266484011.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 360207 + ... + 363705.

Almost surely, 2^1266484044 is an apocalyptic number.

1266484044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1266484044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1756160000).

1266484044 is an abundant number, since it is smaller than the sum of its proper divisors (2245835956).

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

1266484044 is a wasteful number, since it uses less digits than its factorization.

1266484044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3683 (or 3681 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 39.

The square root of 1266484044 is about 35587.6951206453. The cubic root of 1266484044 is about 1081.9318543985.

The spelling of 1266484044 in words is "one billion, two hundred sixty-six million, four hundred eighty-four thousand, forty-four".