4042140102 has 192 divisors, whose sum is σ = 11817501696. Its totient is φ = 964327680.

The previous prime is 4042140101. The next prime is 4042140119. The reversal of 4042140102 is 2010412404.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042140101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4738308 + ... + 4739160.

It is an arithmetic number, because the mean of its divisors is an integer number (61549488).

Almost surely, 2^4042140102 is an apocalyptic number.

4042140102 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 4042140102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5908750848).

4042140102 is an abundant number, since it is smaller than the sum of its proper divisors (7775361594).

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

4042140102 is a wasteful number, since it uses less digits than its factorization.

4042140102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155 (or 1152 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 4042140102 is about 63577.8271255003. The cubic root of 4042140102 is about 1592.9560269839.

Adding to 4042140102 its reverse (2010412404), we get a palindrome (6052552506).

The spelling of 4042140102 in words is "four billion, forty-two million, one hundred forty thousand, one hundred two".