260178880 has 168 divisors, whose sum is σ = 712847952. Its totient is φ = 90095616.

The previous prime is 260178869. The next prime is 260178899. The reversal of 260178880 is 88871062.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 919219 + ... + 919501.

Almost surely, 2^260178880 is an apocalyptic number.

260178880 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 260178880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (356423976).

260178880 is an abundant number, since it is smaller than the sum of its proper divisors (452669072).

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

260178880 is a wasteful number, since it uses less digits than its factorization.

260178880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 40.

The square root of 260178880 is about 16130.0613762006. The cubic root of 260178880 is about 638.3967684294.

The spelling of 260178880 in words is "two hundred sixty million, one hundred seventy-eight thousand, eight hundred eighty".