612275140418 has 18 divisors (see below), whose sum is σ = 927255543123. Its totient is φ = 303217821940.

The previous prime is 612275140381. The next prime is 612275140423. The reversal of 612275140418 is 814041572216.

It can be written as a sum of positive squares in only one way, i.e., 306137570209 + 306137570209 = 553297^2 + 553297^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=553297.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 118402973 + ... + 118408143.

Almost surely, 2^612275140418 is an apocalyptic number.

612275140418 is a deficient number, since it is larger than the sum of its proper divisors (314980402705).

612275140418 is an frugal number, since it uses more digits than its factorization.

612275140418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10558 (or 5280 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

The spelling of 612275140418 in words is "six hundred twelve billion, two hundred seventy-five million, one hundred forty thousand, four hundred eighteen".