42240034045 has 32 divisors (see below), whose sum is σ = 58630231296. Its totient is φ = 28872729600.

The previous prime is 42240034027. The next prime is 42240034051. The reversal of 42240034045 is 54043004224.

It is not a de Polignac number, because 42240034045 - 2¹¹ = 42240031997 is a prime.

It is a super-2 number, since 2×42240034045² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 648675 + ... + 710815.

It is an arithmetic number, because the mean of its divisors is an integer number (1832194728).

Almost surely, 2^42240034045 is an apocalyptic number.

It is an amenable number.

42240034045 is a deficient number, since it is larger than the sum of its proper divisors (16390197251).

42240034045 is a wasteful number, since it uses less digits than its factorization.

42240034045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62901.

The product of its (nonzero) digits is 15360, while the sum is 28.

Adding to 42240034045 its reverse (54043004224), we get a palindrome (96283038269).

The spelling of 42240034045 in words is "forty-two billion, two hundred forty million, thirty-four thousand, forty-five".