260320257420328 has 64 divisors (see below), whose sum is σ = 563675481653760. Its totient is φ = 110396942862336.

The previous prime is 260320257420283. The next prime is 260320257420347. The reversal of 260320257420328 is 823024752023062.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28005850 + ... + 36124342.

It is an arithmetic number, because the mean of its divisors is an integer number (8807429400840).

Almost surely, 2^{260320257420328} is an apocalyptic number.

260320257420328 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260320257420328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281837740826880).

260320257420328 is an abundant number, since it is smaller than the sum of its proper divisors (303355224233432).

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

260320257420328 is a wasteful number, since it uses less digits than its factorization.

260320257420328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8124506 (or 8124502 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 46.

The spelling of 260320257420328 in words is "two hundred sixty trillion, three hundred twenty billion, two hundred fifty-seven million, four hundred twenty thousand, three hundred twenty-eight".