42540045330 has 16 divisors (see below), whose sum is σ = 102096108864. Its totient is φ = 11344012080.

The previous prime is 42540045323. The next prime is 42540045377. The reversal of 42540045330 is 3354004524.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1418001511 = 42540045330 / (4 + 2 + 5 + 4 + 0 + 0 + 4 + 5 + 3 + 3 + 0).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 709000726 + ... + 709000785.

It is an arithmetic number, because the mean of its divisors is an integer number (6381006804).

Almost surely, 2^42540045330 is an apocalyptic number.

42540045330 is an abundant number, since it is smaller than the sum of its proper divisors (59556063534).

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

42540045330 is a wasteful number, since it uses less digits than its factorization.

42540045330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418001521.

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 42540045330 its reverse (3354004524), we get a palindrome (45894049854).

The spelling of 42540045330 in words is "forty-two billion, five hundred forty million, forty-five thousand, three hundred thirty".