1326465424660 has 24 divisors (see below), whose sum is σ = 2785940750376. Its totient is φ = 530516958720.

The previous prime is 1326465424643. The next prime is 1326465424679. The reversal of 1326465424660 is 664245646231.

It can be written as a sum of positive squares in 4 ways, for example, as 653481457924 + 672983966736 = 808382^2 + 820356^2 .

It is a super-2 number, since 2×1326465424660² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4168401 + ... + 4475320.

It is an arithmetic number, because the mean of its divisors is an integer number (116080864599).

Almost surely, 2^{1326465424660} is an apocalyptic number.

1326465424660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1326465424660 is an abundant number, since it is smaller than the sum of its proper divisors (1459475325716).

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

1326465424660 is a wasteful number, since it uses less digits than its factorization.

1326465424660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8651403 (or 8651401 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 49.

The spelling of 1326465424660 in words is "one trillion, three hundred twenty-six billion, four hundred sixty-five million, four hundred twenty-four thousand, six hundred sixty".