1326304952880 has 40 divisors (see below), whose sum is σ = 4111545354672. Its totient is φ = 353681320704.

The previous prime is 1326304952873. The next prime is 1326304952891. The reversal of 1326304952880 is 882594036231.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2763135079 + ... + 2763135558.

Almost surely, 2^{1326304952880} is an apocalyptic number.

1326304952880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1326304952880 is an abundant number, since it is smaller than the sum of its proper divisors (2785240401792).

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

1326304952880 is a wasteful number, since it uses less digits than its factorization.

1326304952880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5526270653 (or 5526270647 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 51.

The spelling of 1326304952880 in words is "one trillion, three hundred twenty-six billion, three hundred four million, nine hundred fifty-two thousand, eight hundred eighty".