42034020042 has 32 divisors (see below), whose sum is σ = 96811190784. Its totient is φ = 11918041200.

The previous prime is 42034020031. The next prime is 42034020053. The reversal of 42034020042 is 24002043024.

It is an interprime number because it is at equal distance from previous prime (42034020031) and next prime (42034020053).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3814384 + ... + 3825387.

It is an arithmetic number, because the mean of its divisors is an integer number (3025349712).

Almost surely, 2^42034020042 is an apocalyptic number.

42034020042 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

42034020042 is an abundant number, since it is smaller than the sum of its proper divisors (54777170742).

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

42034020042 is a wasteful number, since it uses less digits than its factorization.

42034020042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7639914.

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 42034020042 its reverse (24002043024), we get a palindrome (66036063066).

The spelling of 42034020042 in words is "forty-two billion, thirty-four million, twenty thousand, forty-two".