612339512340 has 48 divisors (see below), whose sum is σ = 1717564000320. Its totient is φ = 163003549440.

The previous prime is 612339512333. The next prime is 612339512363. The reversal of 612339512340 is 43215933216.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8933926 + ... + 9002205.

It is an arithmetic number, because the mean of its divisors is an integer number (35782583340).

Almost surely, 2^612339512340 is an apocalyptic number.

612339512340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

612339512340 is an abundant number, since it is smaller than the sum of its proper divisors (1105224487980).

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

612339512340 is a wasteful number, since it uses less digits than its factorization.

612339512340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17936712 (or 17936710 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 39.

The spelling of 612339512340 in words is "six hundred twelve billion, three hundred thirty-nine million, five hundred twelve thousand, three hundred forty".