4161043878450 has 24 divisors (see below), whose sum is σ = 10319388818928. Its totient is φ = 1109611700880.

The previous prime is 4161043878449. The next prime is 4161043878461. The reversal of 4161043878450 is 548783401614.

It is a junction number, because it is equal to n+sod(n) for n = 4161043878393 and 4161043878402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13870146112 + ... + 13870146411.

It is an arithmetic number, because the mean of its divisors is an integer number (429974534122).

Almost surely, 2^{4161043878450} is an apocalyptic number.

4161043878450 is an abundant number, since it is smaller than the sum of its proper divisors (6158344940478).

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

4161043878450 is a wasteful number, since it uses less digits than its factorization.

4161043878450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27740292538 (or 27740292533 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 51.

The spelling of 4161043878450 in words is "four trillion, one hundred sixty-one billion, forty-three million, eight hundred seventy-eight thousand, four hundred fifty".