260797420 has 144 divisors (see below), whose sum is σ = 649313280. Its totient is φ = 87609600.

The previous prime is 260797417. The next prime is 260797441. The reversal of 260797420 is 24797062.

It is a happy number.

260797420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 260797420.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1990755 + ... + 1990885.

It is an arithmetic number, because the mean of its divisors is an integer number (4509120).

Almost surely, 2^260797420 is an apocalyptic number.

260797420 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 260797420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324656640).

260797420 is an abundant number, since it is smaller than the sum of its proper divisors (388515860).

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

260797420 is a wasteful number, since it uses less digits than its factorization.

260797420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 260797420 is about 16149.2235107450. The cubic root of 260797420 is about 638.9022686325.

The spelling of 260797420 in words is "two hundred sixty million, seven hundred ninety-seven thousand, four hundred twenty".