260378001 has 48 divisors (see below), whose sum is σ = 433152720. Its totient is φ = 149299200.

The previous prime is 260377987. The next prime is 260378039. The reversal of 260378001 is 100873062.

It can be written as a sum of positive squares in 8 ways, for example, as 25553025 + 234824976 = 5055^2 + 15324^2 .

It is not a de Polignac number, because 260378001 - 2⁵ = 260377969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (260370001) 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 47 ways as a sum of consecutive naturals, for example, 216201 + ... + 217401.

It is an arithmetic number, because the mean of its divisors is an integer number (9024015).

Almost surely, 2^260378001 is an apocalyptic number.

It is an amenable number.

260378001 is a deficient number, since it is larger than the sum of its proper divisors (172774719).

260378001 is a wasteful number, since it uses less digits than its factorization.

260378001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346 (or 1343 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 260378001 is about 16136.2325528607. The cubic root of 260378001 is about 638.5595869075.

The spelling of 260378001 in words is "two hundred sixty million, three hundred seventy-eight thousand, one".