42420022002424 has 16 divisors (see below), whose sum is σ = 86768226823320. Its totient is φ = 19281828182880.

The previous prime is 42420022002383. The next prime is 42420022002503.

42420022002424 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×42420022002424² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42420022002392 and 42420022002401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241022852199 + ... + 241022852374.

Almost surely, 2^{42420022002424} is an apocalyptic number.

42420022002424 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42420022002424 is an abundant number, since it is smaller than the sum of its proper divisors (44348204820896).

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

42420022002424 is a wasteful number, since it uses less digits than its factorization.

42420022002424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482045704590 (or 482045704586 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

It can be divided in two parts, 4242002 and 2002424, that added together give a palindrome (6244426).

The spelling of 42420022002424 in words is "forty-two trillion, four hundred twenty billion, twenty-two million, two thousand, four hundred twenty-four".