656202562042 has 16 divisors (see below), whose sum is σ = 1017565385472. Its totient is φ = 317045554560.

The previous prime is 656202562027. The next prime is 656202562049. The reversal of 656202562042 is 240265202656.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 656202561986 and 656202562004.

It is not an unprimeable number, because it can be changed into a prime (656202562049) 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, 7821508 + ... + 7904959.

It is an arithmetic number, because the mean of its divisors is an integer number (63597836592).

Almost surely, 2^656202562042 is an apocalyptic number.

656202562042 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

656202562042 is a deficient number, since it is larger than the sum of its proper divisors (361362823430).

656202562042 is a wasteful number, since it uses less digits than its factorization.

656202562042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15727173.

The product of its (nonzero) digits is 345600, while the sum is 40.

Adding to 656202562042 its reverse (240265202656), we get a palindrome (896467764698).

The spelling of 656202562042 in words is "six hundred fifty-six billion, two hundred two million, five hundred sixty-two thousand, forty-two".