15401466040443 has 16 divisors (see below), whose sum is σ = 23469221829120. Its totient is φ = 8800717288896.

The previous prime is 15401466040391. The next prime is 15401466040459. The reversal of 15401466040443 is 34404066410451.

It is a happy number.

It is not a de Polignac number, because 15401466040443 - 2¹⁶ = 15401465974907 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15401466040395 and 15401466040404.

It is not an unprimeable number, because it can be changed into a prime (15401466048443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3436138 + ... + 6527631.

It is an arithmetic number, because the mean of its divisors is an integer number (1466826364320).

Almost surely, 2^{15401466040443} is an apocalyptic number.

15401466040443 is a deficient number, since it is larger than the sum of its proper divisors (8067755788677).

15401466040443 is an equidigital number, since it uses as much as digits as its factorization.

15401466040443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10037386.

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 15401466040443 in words is "fifteen trillion, four hundred one billion, four hundred sixty-six million, forty thousand, four hundred forty-three".