402445396159 has 4 divisors (see below), whose sum is σ = 407539641760. Its totient is φ = 397351150560.

The previous prime is 402445396153. The next prime is 402445396201. The reversal of 402445396159 is 951693544204.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 402445396159 - 2³ = 402445396151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402445396151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2547122682 + ... + 2547122839.

It is an arithmetic number, because the mean of its divisors is an integer number (101884910440).

Almost surely, 2^402445396159 is an apocalyptic number.

402445396159 is a deficient number, since it is larger than the sum of its proper divisors (5094245601).

402445396159 is an equidigital number, since it uses as much as digits as its factorization.

402445396159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5094245600.

The product of its (nonzero) digits is 4665600, while the sum is 52.

The spelling of 402445396159 in words is "four hundred two billion, four hundred forty-five million, three hundred ninety-six thousand, one hundred fifty-nine".