6444342402 has 16 divisors (see below), whose sum is σ = 12891803232. Its totient is φ = 2147594400.

The previous prime is 6444342397. The next prime is 6444342493. The reversal of 6444342402 is 2042434446.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102628 + ... + 153039.

It is an arithmetic number, because the mean of its divisors is an integer number (805737702).

Almost surely, 2^6444342402 is an apocalyptic number.

6444342402 is an abundant number, since it is smaller than the sum of its proper divisors (6447460830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6444342402 is a wasteful number, since it uses less digits than its factorization.

6444342402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259873.

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

The square root of 6444342402 is about 80276.6616271504. The cubic root of 6444342402 is about 1860.9135684404.

Adding to 6444342402 its reverse (2042434446), we get a palindrome (8486776848).

The spelling of 6444342402 in words is "six billion, four hundred forty-four million, three hundred forty-two thousand, four hundred two".