42102412424 has 32 divisors (see below), whose sum is σ = 79519861080. Its totient is φ = 20897370624.

The previous prime is 42102412421. The next prime is 42102412427. The reversal of 42102412424 is 42421420124.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42102412421) and next prime (42102412427).

It can be written as a sum of positive squares in 4 ways, for example, as 17521816900 + 24580595524 = 132370^2 + 156782^2 .

It is a super-2 number, since 2×42102412424² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42102412393 and 42102412402.

It is not an unprimeable number, because it can be changed into a prime (42102412421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1362554 + ... + 1393110.

Almost surely, 2^42102412424 is an apocalyptic number.

It is an amenable number.

42102412424 is a deficient number, since it is larger than the sum of its proper divisors (37417448656).

42102412424 is a wasteful number, since it uses less digits than its factorization.

42102412424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31817 (or 31813 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 42102412424 its reverse (42421420124), we get a palindrome (84523832548).

The spelling of 42102412424 in words is "forty-two billion, one hundred two million, four hundred twelve thousand, four hundred twenty-four".