260537057280 has 480 divisors, whose sum is σ = 938935998000. Its totient is φ = 69306679296.

The previous prime is 260537057173. The next prime is 260537057303. The reversal of 260537057280 is 82750735062.

260537057280 is a `hidden beast` number, since 2 + 6 + 0 + 5 + 3 + 70 + 572 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a super-2 number, since 2×260537057280² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 637009716 + ... + 637010124.

Almost surely, 2^260537057280 is an apocalyptic number.

260537057280 is a gapful number since it is divisible by the number (20) 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 260537057280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (469467999000).

260537057280 is an abundant number, since it is smaller than the sum of its proper divisors (678398940720).

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

260537057280 is an frugal number, since it uses more digits than its factorization.

260537057280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467 (or 419 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The spelling of 260537057280 in words is "two hundred sixty billion, five hundred thirty-seven million, fifty-seven thousand, two hundred eighty".