1266440714 has 32 divisors (see below), whose sum is σ = 2370384000. Its totient is φ = 493007040.

The previous prime is 1266440689. The next prime is 1266440729. The reversal of 1266440714 is 4170446621.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235892 + ... + 241200.

It is an arithmetic number, because the mean of its divisors is an integer number (74074500).

Almost surely, 2^1266440714 is an apocalyptic number.

1266440714 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1266440714 is a deficient number, since it is larger than the sum of its proper divisors (1103943286).

1266440714 is a wasteful number, since it uses less digits than its factorization.

1266440714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6878.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 1266440714 is about 35587.0863376029. The cubic root of 1266440714 is about 1081.9195156085.

The spelling of 1266440714 in words is "one billion, two hundred sixty-six million, four hundred forty thousand, seven hundred fourteen".