1266424344 has 96 divisors (see below), whose sum is σ = 3591993600. Its totient is φ = 402325440.

The previous prime is 1266424303. The next prime is 1266424381. The reversal of 1266424344 is 4434246621.

1266424344 is a `hidden beast` number, since 1 + 2 + 6 + 642 + 4 + 3 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1266424299 and 1266424308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 513787 + ... + 516245.

It is an arithmetic number, because the mean of its divisors is an integer number (37416600).

Almost surely, 2^1266424344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1266424344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1795996800).

1266424344 is an abundant number, since it is smaller than the sum of its proper divisors (2325569256).

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

1266424344 is a wasteful number, since it uses less digits than its factorization.

1266424344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2805 (or 2798 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

The square root of 1266424344 is about 35586.8563376986. The cubic root of 1266424344 is about 1081.9148539615.

The spelling of 1266424344 in words is "one billion, two hundred sixty-six million, four hundred twenty-four thousand, three hundred forty-four".