255541109442 has 16 divisors (see below), whose sum is σ = 511223718720. Its totient is φ = 85156786512.

The previous prime is 255541109441. The next prime is 255541109449. The reversal of 255541109442 is 244901145552.

It is a super-2 number, since 2×255541109442² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 255541109394 and 255541109403.

It is not an unprimeable number, because it can be changed into a prime (255541109441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5872342 + ... + 5915697.

It is an arithmetic number, because the mean of its divisors is an integer number (31951482420).

Almost surely, 2^255541109442 is an apocalyptic number.

255541109442 is an abundant number, since it is smaller than the sum of its proper divisors (255682609278).

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

255541109442 is a wasteful number, since it uses less digits than its factorization.

255541109442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11791657.

The product of its (nonzero) digits is 288000, while the sum is 42.

The spelling of 255541109442 in words is "two hundred fifty-five billion, five hundred forty-one million, one hundred nine thousand, four hundred forty-two".