868452650 has 48 divisors (see below), whose sum is σ = 1841928984. Its totient is φ = 301793280.

The previous prime is 868452623. The next prime is 868452659. The reversal of 868452650 is 56254868.

It can be written as a sum of positive squares in 12 ways, for example, as 29365561 + 839087089 = 5419^2 + 28967^2 .

It is not an unprimeable number, because it can be changed into a prime (868452659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28247 + ... + 50346.

Almost surely, 2^868452650 is an apocalyptic number.

868452650 is an abundant number, since it is smaller than the sum of its proper divisors (973476334).

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

868452650 is a wasteful number, since it uses less digits than its factorization.

868452650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78635 (or 78630 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 44.

The square root of 868452650 is about 29469.5206951182. The cubic root of 868452650 is about 954.0739723797.

The spelling of 868452650 in words is "eight hundred sixty-eight million, four hundred fifty-two thousand, six hundred fifty".