260512770 has 128 divisors (see below), whose sum is σ = 743178240. Its totient is φ = 57208320.

The previous prime is 260512753. The next prime is 260512783. The reversal of 260512770 is 77215062.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 679999 + ... + 680381.

It is an arithmetic number, because the mean of its divisors is an integer number (5806080).

Almost surely, 2^260512770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260512770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371589120).

260512770 is an abundant number, since it is smaller than the sum of its proper divisors (482665470).

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

260512770 is a wasteful number, since it uses less digits than its factorization.

260512770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 260512770 is about 16140.4079874085. The cubic root of 260512770 is about 638.6697385503.

The spelling of 260512770 in words is "two hundred sixty million, five hundred twelve thousand, seven hundred seventy".