612404533036140 has 192 divisors, whose sum is σ = 1886806421821440. Its totient is φ = 147469445360640.

The previous prime is 612404533036111. The next prime is 612404533036141. The reversal of 612404533036140 is 41630335404216.

It is a junction number, because it is equal to n+sod(n) for n = 612404533036092 and 612404533036101.

It is not an unprimeable number, because it can be changed into a prime (612404533036141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 74587851 + ... + 82390269.

It is an arithmetic number, because the mean of its divisors is an integer number (9827116780320).

Almost surely, 2^{612404533036140} is an apocalyptic number.

612404533036140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612404533036140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (943403210910720).

612404533036140 is an abundant number, since it is smaller than the sum of its proper divisors (1274401888785300).

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

612404533036140 is a wasteful number, since it uses less digits than its factorization.

612404533036140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7804632 (or 7804630 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 612404533036140 in words is "six hundred twelve trillion, four hundred four billion, five hundred thirty-three million, thirty-six thousand, one hundred forty".