1326473800402 has 16 divisors (see below), whose sum is σ = 2038340619000. Its totient is φ = 647028520960.

The previous prime is 1326473800397. The next prime is 1326473800403. The reversal of 1326473800402 is 2040083746231.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 781949349841 + 544524450561 = 884279^2 + 737919^2 .

It is not an unprimeable number, because it can be changed into a prime (1326473800403) 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, 1321674 + ... + 2097562.

Almost surely, 2^{1326473800402} is an apocalyptic number.

1326473800402 is a deficient number, since it is larger than the sum of its proper divisors (711866818598).

1326473800402 is a wasteful number, since it uses less digits than its factorization.

1326473800402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796781.

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 1326473800402 in words is "one trillion, three hundred twenty-six billion, four hundred seventy-three million, eight hundred thousand, four hundred two".