260615220 has 24 divisors (see below), whose sum is σ = 729722784. Its totient is φ = 69497376.

The previous prime is 260615197. The next prime is 260615221. The reversal of 260615220 is 22516062.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260615221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2171734 + ... + 2171853.

It is an arithmetic number, because the mean of its divisors is an integer number (30405116).

Almost surely, 2^260615220 is an apocalyptic number.

260615220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260615220 is an abundant number, since it is smaller than the sum of its proper divisors (469107564).

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

260615220 is a wasteful number, since it uses less digits than its factorization.

260615220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4343599 (or 4343597 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 260615220 is about 16143.5813870405. The cubic root of 260615220 is about 638.7534492763.

The spelling of 260615220 in words is "two hundred sixty million, six hundred fifteen thousand, two hundred twenty".