1326706240 has 56 divisors (see below), whose sum is σ = 3296594880. Its totient is φ = 507606528.

The previous prime is 1326706207. The next prime is 1326706243. The reversal of 1326706240 is 426076231.

It is not an unprimeable number, because it can be changed into a prime (1326706243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82770 + ... + 97489.

Almost surely, 2^1326706240 is an apocalyptic number.

1326706240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1326706240 is an abundant number, since it is smaller than the sum of its proper divisors (1969888640).

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

1326706240 is a wasteful number, since it uses less digits than its factorization.

1326706240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180299 (or 180289 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 1326706240 is about 36423.9789149950. The cubic root of 1326706240 is about 1098.8158717723.

The spelling of 1326706240 in words is "one billion, three hundred twenty-six million, seven hundred six thousand, two hundred forty".