1326059680 has 96 divisors (see below), whose sum is σ = 3440102400. Its totient is φ = 479032320.

The previous prime is 1326059593. The next prime is 1326059729. The reversal of 1326059680 is 869506231.

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 273921 + ... + 278719.

It is an arithmetic number, because the mean of its divisors is an integer number (35834400).

Almost surely, 2^1326059680 is an apocalyptic number.

1326059680 is a gapful number since it is divisible by the number (10) 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 1326059680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1720051200).

1326059680 is an abundant number, since it is smaller than the sum of its proper divisors (2114042720).

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

1326059680 is a wasteful number, since it uses less digits than its factorization.

1326059680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4982 (or 4974 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 1326059680 is about 36415.1023615203. The cubic root of 1326059680 is about 1098.6373429690.

The spelling of 1326059680 in words is "one billion, three hundred twenty-six million, fifty-nine thousand, six hundred eighty".