260643621414 has 16 divisors (see below), whose sum is σ = 568676992320. Its totient is φ = 78982915560.

The previous prime is 260643621409. The next prime is 260643621457. The reversal of 260643621414 is 414126346062.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1974572824 + ... + 1974572955.

It is an arithmetic number, because the mean of its divisors is an integer number (35542312020).

Almost surely, 2^260643621414 is an apocalyptic number.

260643621414 is an abundant number, since it is smaller than the sum of its proper divisors (308033370906).

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

260643621414 is a wasteful number, since it uses less digits than its factorization.

260643621414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3949145795.

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

Adding to 260643621414 its reverse (414126346062), we get a palindrome (674769967476).

The spelling of 260643621414 in words is "two hundred sixty billion, six hundred forty-three million, six hundred twenty-one thousand, four hundred fourteen".