260515008 has 112 divisors (see below), whose sum is σ = 824849760. Its totient is φ = 80151552.

The previous prime is 260515007. The next prime is 260515009. The reversal of 260515008 is 800515062.

260515008 is a `hidden beast` number, since 2 + 605 + 1 + 50 + 0 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (260515007) and next prime (260515009).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (260515007) 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, 16666 + ... + 28262.

It is an arithmetic number, because the mean of its divisors is an integer number (7364730).

Almost surely, 2^260515008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260515008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (412424880).

260515008 is an abundant number, since it is smaller than the sum of its proper divisors (564334752).

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

260515008 is a wasteful number, since it uses less digits than its factorization.

260515008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11631 (or 11615 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 260515008 is about 16140.4773163621. The cubic root of 260515008 is about 638.6715674290.

The spelling of 260515008 in words is "two hundred sixty million, five hundred fifteen thousand, eight".