42555134040404 has 12 divisors (see below), whose sum is σ = 77709375204384. Its totient is φ = 20352455410584.

The previous prime is 42555134040373. The next prime is 42555134040409. The reversal of 42555134040404 is 40404043155524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42555134040409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231277902302 + ... + 231277902485.

It is an arithmetic number, because the mean of its divisors is an integer number (6475781267032).

Almost surely, 2^{42555134040404} is an apocalyptic number.

It is an amenable number.

42555134040404 is a deficient number, since it is larger than the sum of its proper divisors (35154241163980).

42555134040404 is a wasteful number, since it uses less digits than its factorization.

42555134040404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462555804814 (or 462555804812 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 41.

Adding to 42555134040404 its reverse (40404043155524), we get a palindrome (82959177195928).

The spelling of 42555134040404 in words is "forty-two trillion, five hundred fifty-five billion, one hundred thirty-four million, forty thousand, four hundred four".