612576140 has 48 divisors (see below), whose sum is σ = 1408458240. Its totient is φ = 221945280.

The previous prime is 612576061. The next prime is 612576157. The reversal of 612576140 is 41675216.

It is a junction number, because it is equal to n+sod(n) for n = 612576097 and 612576106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57341 + ... + 67179.

It is an arithmetic number, because the mean of its divisors is an integer number (29342880).

Almost surely, 2^612576140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612576140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (704229120).

612576140 is an abundant number, since it is smaller than the sum of its proper divisors (795882100).

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

612576140 is a wasteful number, since it uses less digits than its factorization.

612576140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10142 (or 10140 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 612576140 is about 24750.2755540216. The cubic root of 612576140 is about 849.2848147943.

The spelling of 612576140 in words is "six hundred twelve million, five hundred seventy-six thousand, one hundred forty".