260189842 has 16 divisors (see below), whose sum is σ = 429020064. Its totient is φ = 117364000.

The previous prime is 260189833. The next prime is 260189843. The reversal of 260189842 is 248981062.

It is a junction number, because it is equal to n+sod(n) for n = 260189795 and 260189804.

It is not an unprimeable number, because it can be changed into a prime (260189843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42259 + ... + 48022.

It is an arithmetic number, because the mean of its divisors is an integer number (26813754).

Almost surely, 2^260189842 is an apocalyptic number.

260189842 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

260189842 is a deficient number, since it is larger than the sum of its proper divisors (168830222).

260189842 is a wasteful number, since it uses less digits than its factorization.

260189842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90425.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 260189842 is about 16130.4011729405. The cubic root of 260189842 is about 638.4057340650.

The spelling of 260189842 in words is "two hundred sixty million, one hundred eighty-nine thousand, eight hundred forty-two".