1326849647760 has 2400 divisors, whose sum is σ = 6226224496128. Its totient is φ = 250358169600.

The previous prime is 1326849647707. The next prime is 1326849647789. The reversal of 1326849647760 is 677469486231.

It is a happy number.

1326849647760 is a `hidden beast` number, since 1 + 3 + 2 + 68 + 49 + 6 + 477 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 8787083685 + ... + 8787083835.

Almost surely, 2^{1326849647760} is an apocalyptic number.

1326849647760 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 1326849647760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3113112248064).

1326849647760 is an abundant number, since it is smaller than the sum of its proper divisors (4899374848368).

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

1326849647760 is a wasteful number, since it uses less digits than its factorization.

1326849647760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 63.

The spelling of 1326849647760 in words is "one trillion, three hundred twenty-six billion, eight hundred forty-nine million, six hundred forty-seven thousand, seven hundred sixty".