260866620 has 72 divisors (see below), whose sum is σ = 904341984. Its totient is φ = 59626368.

The previous prime is 260866603. The next prime is 260866633. The reversal of 260866620 is 26668062.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 102259 + ... + 104778.

Almost surely, 2^260866620 is an apocalyptic number.

260866620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260866620 is an abundant number, since it is smaller than the sum of its proper divisors (643475364).

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

260866620 is a wasteful number, since it uses less digits than its factorization.

260866620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207059 (or 207054 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 260866620 is about 16151.3658865125. The cubic root of 260866620 is about 638.9587724215.

The spelling of 260866620 in words is "two hundred sixty million, eight hundred sixty-six thousand, six hundred twenty".