42420404134 has 8 divisors (see below), whose sum is σ = 63631698120. Its totient is φ = 21209838096.

The previous prime is 42420404119. The next prime is 42420404137. The reversal of 42420404134 is 43140402424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42420404137) 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, 162 + ... + 291274.

It is an arithmetic number, because the mean of its divisors is an integer number (7953962265).

Almost surely, 2^42420404134 is an apocalyptic number.

42420404134 is a deficient number, since it is larger than the sum of its proper divisors (21211293986).

42420404134 is a wasteful number, since it uses less digits than its factorization.

42420404134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363974.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 42420404134 its reverse (43140402424), we get a palindrome (85560806558).

The spelling of 42420404134 in words is "forty-two billion, four hundred twenty million, four hundred four thousand, one hundred thirty-four".