260776338580 has 24 divisors (see below), whose sum is σ = 553783464360. Its totient is φ = 103138506240.

The previous prime is 260776338539. The next prime is 260776338593. The reversal of 260776338580 is 85833677062.

It can be written as a sum of positive squares in 4 ways, for example, as 24475350916 + 236300987664 = 156446^2 + 486108^2 .

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

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, 73250001 + ... + 73253560.

It is an arithmetic number, because the mean of its divisors is an integer number (23074311015).

Almost surely, 2^260776338580 is an apocalyptic number.

260776338580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260776338580 is an abundant number, since it is smaller than the sum of its proper divisors (293007125780).

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

260776338580 is a wasteful number, since it uses less digits than its factorization.

260776338580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146503659 (or 146503657 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 55.

The spelling of 260776338580 in words is "two hundred sixty billion, seven hundred seventy-six million, three hundred thirty-eight thousand, five hundred eighty".