4061405875850 has 24 divisors (see below), whose sum is σ = 7555404598380. Its totient is φ = 1624306507520.

The previous prime is 4061405875763. The next prime is 4061405875883. The reversal of 4061405875850 is 585785041604.

It is a Cunningham number, because it is equal to 2015293²+1.

It can be written as a sum of positive squares in 6 ways, for example, as 1864942565641 + 2196463310209 = 1365629^2 + 1482047^2 .

It is a super-2 number, since 2×4061405875850² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4061405875792 and 4061405875801.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6075245 + ... + 6710544.

Almost surely, 2^{4061405875850} is an apocalyptic number.

4061405875850 is a deficient number, since it is larger than the sum of its proper divisors (3493998722530).

4061405875850 is a wasteful number, since it uses less digits than its factorization.

4061405875850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12792154 (or 12792149 counting only the distinct ones).

The product of its (nonzero) digits is 5376000, while the sum is 53.

The spelling of 4061405875850 in words is "four trillion, sixty-one billion, four hundred five million, eight hundred seventy-five thousand, eight hundred fifty".