260542650 has 24 divisors (see below), whose sum is σ = 646146144. Its totient is φ = 69478000.

The previous prime is 260542637. The next prime is 260542673. The reversal of 260542650 is 56245062.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 868326 + ... + 868625.

It is an arithmetic number, because the mean of its divisors is an integer number (26922756).

Almost surely, 2^260542650 is an apocalyptic number.

260542650 is an abundant number, since it is smaller than the sum of its proper divisors (385603494).

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

260542650 is a wasteful number, since it uses less digits than its factorization.

260542650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736966 (or 1736961 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 260542650 is about 16141.3335880280. Note that the first 3 decimals coincide. The cubic root of 260542650 is about 638.6941554240.

The spelling of 260542650 in words is "two hundred sixty million, five hundred forty-two thousand, six hundred fifty".