612180234 has 64 divisors (see below), whose sum is σ = 1444884480. Its totient is φ = 191462400.

The previous prime is 612180229. The next prime is 612180287. The reversal of 612180234 is 432081216.

612180234 is a `hidden beast` number, since 612 + 18 + 0 + 2 + 34 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 612180198 and 612180207.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 367287 + ... + 368949.

It is an arithmetic number, because the mean of its divisors is an integer number (22576320).

Almost surely, 2^612180234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612180234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (722442240).

612180234 is an abundant number, since it is smaller than the sum of its proper divisors (832704246).

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

612180234 is a wasteful number, since it uses less digits than its factorization.

612180234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2092 (or 2086 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 612180234 is about 24742.2762493672. The cubic root of 612180234 is about 849.1018120108.

The spelling of 612180234 in words is "six hundred twelve million, one hundred eighty thousand, two hundred thirty-four".