260304531002421 has 8 divisors (see below), whose sum is σ = 347075417925600. Its totient is φ = 173534999040432.

The previous prime is 260304531002317. The next prime is 260304531002423. The reversal of 260304531002421 is 124200135403062.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 260304531002421 - 2⁹ = 260304531001909 is a prime.

It is a super-2 number, since 2×260304531002421² (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 (260304531002423) 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, 338291950 + ... + 339060543.

It is an arithmetic number, because the mean of its divisors is an integer number (43384427240700).

Almost surely, 2^{260304531002421} is an apocalyptic number.

It is an amenable number.

260304531002421 is a deficient number, since it is larger than the sum of its proper divisors (86770886923179).

260304531002421 is a wasteful number, since it uses less digits than its factorization.

260304531002421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677480595.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 260304531002421 its reverse (124200135403062), we get a palindrome (384504666405483).

The spelling of 260304531002421 in words is "two hundred sixty trillion, three hundred four billion, five hundred thirty-one million, two thousand, four hundred twenty-one".