612850826268 has 72 divisors (see below), whose sum is σ = 1640922886512. Its totient is φ = 192191242752.

The previous prime is 612850826257. The next prime is 612850826333. The reversal of 612850826268 is 862628058216.

It is a happy number.

612850826268 is a `hidden beast` number, since 6 + 1 + 2 + 8 + 5 + 0 + 8 + 2 + 626 + 8 = 666.

It is a super-2 number, since 2×612850826268² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1369071 + ... + 1760697.

It is an arithmetic number, because the mean of its divisors is an integer number (22790595646).

Almost surely, 2^612850826268 is an apocalyptic number.

612850826268 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

612850826268 is an abundant number, since it is smaller than the sum of its proper divisors (1028072060244).

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

612850826268 is a wasteful number, since it uses less digits than its factorization.

612850826268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394211 (or 394206 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 54.

The spelling of 612850826268 in words is "six hundred twelve billion, eight hundred fifty million, eight hundred twenty-six thousand, two hundred sixty-eight".