612247611340 has 24 divisors (see below), whose sum is σ = 1303332589440. Its totient is φ = 241544262528.

The previous prime is 612247611331. The next prime is 612247611347. The reversal of 612247611340 is 43116742216.

612247611340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 612247611340.

It is not an unprimeable number, because it can be changed into a prime (612247611347) 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, 209672380 + ... + 209675299.

It is an arithmetic number, because the mean of its divisors is an integer number (54305524560).

Almost surely, 2^612247611340 is an apocalyptic number.

It is an amenable number.

612247611340 is an abundant number, since it is smaller than the sum of its proper divisors (691084978100).

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

612247611340 is a wasteful number, since it uses less digits than its factorization.

612247611340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419347761 (or 419347759 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 612247611340 in words is "six hundred twelve billion, two hundred forty-seven million, six hundred eleven thousand, three hundred forty".