260345480 has 32 divisors (see below), whose sum is σ = 620236440. Its totient is φ = 98012160.

The previous prime is 260345473. The next prime is 260345489. The reversal of 260345480 is 84543062.

It can be written as a sum of positive squares in 4 ways, for example, as 256192036 + 4153444 = 16006^2 + 2038^2 .

It is not an unprimeable number, because it can be changed into a prime (260345489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190751 + ... + 192110.

Almost surely, 2^260345480 is an apocalyptic number.

260345480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260345480 is an abundant number, since it is smaller than the sum of its proper divisors (359890960).

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

260345480 is a wasteful number, since it uses less digits than its factorization.

260345480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382889 (or 382885 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 260345480 is about 16135.2248202496. The cubic root of 260345480 is about 638.5330006101.

The spelling of 260345480 in words is "two hundred sixty million, three hundred forty-five thousand, four hundred eighty".