868460242 has 24 divisors (see below), whose sum is σ = 1418020884. Its totient is φ = 398721024.

The previous prime is 868460239. The next prime is 868460261. The reversal of 868460242 is 242064868.

It can be written as a sum of positive squares in 6 ways, for example, as 29257281 + 839202961 = 5409^2 + 28969^2 .

It is a junction number, because it is equal to n+sod(n) for n = 868460195 and 868460204.

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, 58578 + ... + 71890.

Almost surely, 2^868460242 is an apocalyptic number.

868460242 is a deficient number, since it is larger than the sum of its proper divisors (549560642).

868460242 is a wasteful number, since it uses less digits than its factorization.

868460242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13534 (or 13521 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 868460242 is about 29469.6495058900. The cubic root of 868460242 is about 954.0767525384.

The spelling of 868460242 in words is "eight hundred sixty-eight million, four hundred sixty thousand, two hundred forty-two".