260012646426 has 16 divisors (see below), whose sum is σ = 560027238624. Its totient is φ = 80003891184.

The previous prime is 260012646419. The next prime is 260012646437. The reversal of 260012646426 is 624646210062.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 1666747656 + ... + 1666747811.

It is an arithmetic number, because the mean of its divisors is an integer number (35001702414).

Almost surely, 2^260012646426 is an apocalyptic number.

260012646426 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

260012646426 is an abundant number, since it is smaller than the sum of its proper divisors (300014592198).

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

260012646426 is a wasteful number, since it uses less digits than its factorization.

260012646426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3333495485.

The product of its (nonzero) digits is 165888, while the sum is 39.

Adding to 260012646426 its reverse (624646210062), we get a palindrome (884658856488).

The spelling of 260012646426 in words is "two hundred sixty billion, twelve million, six hundred forty-six thousand, four hundred twenty-six".