42400202004424 has 32 divisors (see below), whose sum is σ = 91829314504800. Its totient is φ = 18139123851520.

The previous prime is 42400202004379. The next prime is 42400202004431. The reversal of 42400202004424 is 42440020200424.

It is a junction number, because it is equal to n+sod(n) for n = 42400202004392 and 42400202004401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14171189014 + ... + 14171192005.

It is an arithmetic number, because the mean of its divisors is an integer number (2869666078275).

Almost surely, 2^{42400202004424} is an apocalyptic number.

42400202004424 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42400202004424 is an abundant number, since it is smaller than the sum of its proper divisors (49429112500376).

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

42400202004424 is a wasteful number, since it uses less digits than its factorization.

42400202004424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28342381053 (or 28342381049 counting only the distinct ones).

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

Adding to 42400202004424 its reverse (42440020200424), we get a palindrome (84840222204848).

The spelling of 42400202004424 in words is "forty-two trillion, four hundred billion, two hundred two million, four thousand, four hundred twenty-four".