260172642223444 has 12 divisors (see below), whose sum is σ = 455311846456768. Its totient is φ = 130083543235800.

The previous prime is 260172642223433. The next prime is 260172642223447. The reversal of 260172642223444 is 444322246271062.

It is a super-2 number, since 2×260172642223444² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260172642223447) 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, 694258242 + ... + 694632889.

Almost surely, 2^{260172642223444} is an apocalyptic number.

It is an amenable number.

260172642223444 is a deficient number, since it is larger than the sum of its proper divisors (195139204233324).

260172642223444 is a wasteful number, since it uses less digits than its factorization.

260172642223444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388937966 (or 1388937964 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 49.

The spelling of 260172642223444 in words is "two hundred sixty trillion, one hundred seventy-two billion, six hundred forty-two million, two hundred twenty-three thousand, four hundred forty-four".