612405720044276 has 24 divisors (see below), whose sum is σ = 1074236769669000. Its totient is φ = 305481573586944.

The previous prime is 612405720044267. The next prime is 612405720044357. The reversal of 612405720044276 is 672440027504216.

It can be written as a sum of positive squares in 4 ways, for example, as 121675392400 + 612284044651876 = 348820^2 + 24744374^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76809821 + ... + 84407108.

It is an arithmetic number, because the mean of its divisors is an integer number (44759865402875).

Almost surely, 2^{612405720044276} is an apocalyptic number.

It is an amenable number.

612405720044276 is a deficient number, since it is larger than the sum of its proper divisors (461831049624724).

612405720044276 is a wasteful number, since it uses less digits than its factorization.

612405720044276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161219171 (or 161219169 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 50.

The spelling of 612405720044276 in words is "six hundred twelve trillion, four hundred five billion, seven hundred twenty million, forty-four thousand, two hundred seventy-six".