42000404024404 has 12 divisors (see below), whose sum is σ = 84000808048864. Its totient is φ = 18000173153304.

The previous prime is 42000404024357. The next prime is 42000404024407. The reversal of 42000404024404 is 40442040400024.

42000404024404 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 1500014429443 = 42000404024404 / (4 + 2 + 0 + 0 + 0 + 4 + 0 + 4 + 0 + 2 + 4 + 4 + 0 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42000404024407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 750007214694 + ... + 750007214749.

Almost surely, 2^{42000404024404} is an apocalyptic number.

It is an amenable number.

42000404024404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42000404024404 is a wasteful number, since it uses less digits than its factorization.

42000404024404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500014429454 (or 1500014429452 counting only the distinct ones).

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

Adding to 42000404024404 its reverse (40442040400024), we get a palindrome (82442444424428).

The spelling of 42000404024404 in words is "forty-two trillion, four hundred four million, twenty-four thousand, four hundred four".