42420442134 has 16 divisors (see below), whose sum is σ = 96961010688. Its totient is φ = 12120126312.

The previous prime is 42420442121. The next prime is 42420442147. The reversal of 42420442134 is 43124402424.

It is an interprime number because it is at equal distance from previous prime (42420442121) and next prime (42420442147).

It is a Curzon number.

It is a congruent number.

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, 505005222 + ... + 505005305.

It is an arithmetic number, because the mean of its divisors is an integer number (6060063168).

Almost surely, 2^42420442134 is an apocalyptic number.

42420442134 is an abundant number, since it is smaller than the sum of its proper divisors (54540568554).

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

42420442134 is a wasteful number, since it uses less digits than its factorization.

42420442134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010010539.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 42420442134 its reverse (43124402424), we get a palindrome (85544844558).

The spelling of 42420442134 in words is "forty-two billion, four hundred twenty million, four hundred forty-two thousand, one hundred thirty-four".