869011140 has 24 divisors (see below), whose sum is σ = 2433231360. Its totient is φ = 231736288.

The previous prime is 869011133. The next prime is 869011141. The reversal of 869011140 is 41110968.

It is a super-2 number, since 2×869011140² = 1510360722888199200, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 869011098 and 869011107.

It is not an unprimeable number, because it can be changed into a prime (869011141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7241700 + ... + 7241819.

It is an arithmetic number, because the mean of its divisors is an integer number (101384640).

Almost surely, 2^869011140 is an apocalyptic number.

It is an amenable number.

869011140 is an abundant number, since it is smaller than the sum of its proper divisors (1564220220).

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

869011140 is a wasteful number, since it uses less digits than its factorization.

869011140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14483531 (or 14483529 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 869011140 is about 29478.9948946703. The cubic root of 869011140 is about 954.2784458544.

The spelling of 869011140 in words is "eight hundred sixty-nine million, eleven thousand, one hundred forty".