42554040042 has 128 divisors (see below), whose sum is σ = 100465920000. Its totient is φ = 11916343296.

The previous prime is 42554040041. The next prime is 42554040043. The reversal of 42554040042 is 24004045524.

It is an interprime number because it is at equal distance from previous prime (42554040041) and next prime (42554040043).

It is a super-2 number, since 2×42554040042² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42554039991 and 42554040009.

It is not an unprimeable number, because it can be changed into a prime (42554040041) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2979334 + ... + 2993582.

It is an arithmetic number, because the mean of its divisors is an integer number (784890000).

Almost surely, 2^42554040042 is an apocalyptic number.

42554040042 is an abundant number, since it is smaller than the sum of its proper divisors (57911879958).

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

42554040042 is a wasteful number, since it uses less digits than its factorization.

42554040042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14380.

The product of its (nonzero) digits is 25600, while the sum is 30.

Adding to 42554040042 its reverse (24004045524), we get a palindrome (66558085566).

The spelling of 42554040042 in words is "forty-two billion, five hundred fifty-four million, forty thousand, forty-two".