260636430 has 16 divisors (see below), whose sum is σ = 625527504. Its totient is φ = 69503040.

The previous prime is 260636429. The next prime is 260636447. The reversal of 260636430 is 34636062.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 8687881 = 260636430 / (2 + 6 + 0 + 6 + 3 + 6 + 4 + 3 + 0).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4343911 + ... + 4343970.

It is an arithmetic number, because the mean of its divisors is an integer number (39095469).

Almost surely, 2^260636430 is an apocalyptic number.

260636430 is an abundant number, since it is smaller than the sum of its proper divisors (364891074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

260636430 is a wasteful number, since it uses less digits than its factorization.

260636430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8687891.

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 260636430 is about 16144.2382911056. The cubic root of 260636430 is about 638.7707769841.

The spelling of 260636430 in words is "two hundred sixty million, six hundred thirty-six thousand, four hundred thirty".