42102431420 has 96 divisors (see below), whose sum is σ = 104628343680. Its totient is φ = 13924270080.

The previous prime is 42102431407. The next prime is 42102431429. The reversal of 42102431420 is 2413420124.

It is a super-2 number, since 2×42102431420² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42102431429) 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 31 ways as a sum of consecutive naturals, for example, 4936760 + ... + 4945280.

It is an arithmetic number, because the mean of its divisors is an integer number (1089878580).

Almost surely, 2^42102431420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42102431420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52314171840).

42102431420 is an abundant number, since it is smaller than the sum of its proper divisors (62525912260).

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

42102431420 is a wasteful number, since it uses less digits than its factorization.

42102431420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9783 (or 9781 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 42102431420 its reverse (2413420124), we get a palindrome (44515851544).

The spelling of 42102431420 in words is "forty-two billion, one hundred two million, four hundred thirty-one thousand, four hundred twenty".