6420142110 has 32 divisors (see below), whose sum is σ = 15410621952. Its totient is φ = 1711784480.

The previous prime is 6420142109. The next prime is 6420142111. The reversal of 6420142110 is 112410246.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6420142109) and next prime (6420142111).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6420142111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282055 + ... + 303965.

It is an arithmetic number, because the mean of its divisors is an integer number (481581936).

Almost surely, 2^6420142110 is an apocalyptic number.

6420142110 is an abundant number, since it is smaller than the sum of its proper divisors (8990479842).

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

6420142110 is a wasteful number, since it uses less digits than its factorization.

6420142110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31688.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 6420142110 is about 80125.7892940843. The cubic root of 6420142110 is about 1858.5812310522.

Adding to 6420142110 its reverse (112410246), we get a palindrome (6532552356).

The spelling of 6420142110 in words is "six billion, four hundred twenty million, one hundred forty-two thousand, one hundred ten".