402404224443 has 16 divisors (see below), whose sum is σ = 585949383936. Its totient is φ = 244145573280.

The previous prime is 402404224253. The next prime is 402404224477. The reversal of 402404224443 is 344422404204.

It is not a de Polignac number, because 402404224443 - 2¹³ = 402404216251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (402404224643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72659605 + ... + 72665142.

It is an arithmetic number, because the mean of its divisors is an integer number (36621836496).

Almost surely, 2^402404224443 is an apocalyptic number.

402404224443 is a deficient number, since it is larger than the sum of its proper divisors (183545159493).

402404224443 is a wasteful number, since it uses less digits than its factorization.

402404224443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145324834.

The product of its (nonzero) digits is 98304, while the sum is 33.

Adding to 402404224443 its reverse (344422404204), we get a palindrome (746826628647).

The spelling of 402404224443 in words is "four hundred two billion, four hundred four million, two hundred twenty-four thousand, four hundred forty-three".