260444648380 has 24 divisors (see below), whose sum is σ = 625067156448. Its totient is φ = 89295307968.

The previous prime is 260444648369. The next prime is 260444648381. The reversal of 260444648380 is 83846444062.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260444648381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 930159319 + ... + 930159598.

It is an arithmetic number, because the mean of its divisors is an integer number (26044464852).

Almost surely, 2^260444648380 is an apocalyptic number.

260444648380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260444648380 is an abundant number, since it is smaller than the sum of its proper divisors (364622508068).

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

260444648380 is a wasteful number, since it uses less digits than its factorization.

260444648380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860318933 (or 1860318931 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 49.

The spelling of 260444648380 in words is "two hundred sixty billion, four hundred forty-four million, six hundred forty-eight thousand, three hundred eighty".