868245452 has 24 divisors (see below), whose sum is σ = 1549067520. Its totient is φ = 425698560.

The previous prime is 868245421. The next prime is 868245457. The reversal of 868245452 is 254542868.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (868245457) 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, 76949 + ... + 87507.

It is an arithmetic number, because the mean of its divisors is an integer number (64544480).

Almost surely, 2^868245452 is an apocalyptic number.

It is an amenable number.

868245452 is a deficient number, since it is larger than the sum of its proper divisors (680822068).

868245452 is a wasteful number, since it uses less digits than its factorization.

868245452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10961 (or 10959 counting only the distinct ones).

The product of its digits is 614400, while the sum is 44.

The square root of 868245452 is about 29466.0050227376. The cubic root of 868245452 is about 953.9980910820.

The spelling of 868245452 in words is "eight hundred sixty-eight million, two hundred forty-five thousand, four hundred fifty-two".