402144443403 has 8 divisors (see below), whose sum is σ = 536223008400. Its totient is φ = 268081087008.

The previous prime is 402144443383. The next prime is 402144443413. The reversal of 402144443403 is 304344441204.

402144443403 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 402144443403 - 2⁶ = 402144443339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (402144443413) 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, 3740308 + ... + 3846321.

It is an arithmetic number, because the mean of its divisors is an integer number (67027876050).

Almost surely, 2^402144443403 is an apocalyptic number.

402144443403 is a deficient number, since it is larger than the sum of its proper divisors (134078564997).

402144443403 is a wasteful number, since it uses less digits than its factorization.

402144443403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7604301.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 402144443403 its reverse (304344441204), we get a palindrome (706488884607).

The spelling of 402144443403 in words is "four hundred two billion, one hundred forty-four million, four hundred forty-three thousand, four hundred three".