260878497792 has 192 divisors, whose sum is σ = 774886694400. Its totient is φ = 77371146240.

The previous prime is 260878497721. The next prime is 260878497799. The reversal of 260878497792 is 297794878062.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×260878497792² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260878497799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3135384 + ... + 3217512.

It is an arithmetic number, because the mean of its divisors is an integer number (4035868200).

Almost surely, 2^260878497792 is an apocalyptic number.

260878497792 is a gapful number since it is divisible by the number (22) 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 260878497792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387443347200).

260878497792 is an abundant number, since it is smaller than the sum of its proper divisors (514008196608).

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

260878497792 is a wasteful number, since it uses less digits than its factorization.

260878497792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82212 (or 82192 counting only the distinct ones).

The product of its (nonzero) digits is 170698752, while the sum is 69.

The spelling of 260878497792 in words is "two hundred sixty billion, eight hundred seventy-eight million, four hundred ninety-seven thousand, seven hundred ninety-two".