860775240 has 256 divisors, whose sum is σ = 2964729600. Its totient is φ = 198180864.

The previous prime is 860775239. The next prime is 860775257. The reversal of 860775240 is 42577068.

It is a super-3 number, since 3×860775240³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 3349192 + ... + 3349448.

It is an arithmetic number, because the mean of its divisors is an integer number (11580975).

Almost surely, 2^860775240 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 860775240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1482364800).

860775240 is an abundant number, since it is smaller than the sum of its proper divisors (2103954360).

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

860775240 is a wasteful number, since it uses less digits than its factorization.

860775240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416 (or 412 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 860775240 is about 29338.9713521112. The cubic root of 860775240 is about 951.2542031042.

The spelling of 860775240 in words is "eight hundred sixty million, seven hundred seventy-five thousand, two hundred forty".