612040330 has 16 divisors (see below), whose sum is σ = 1201824864. Its totient is φ = 222560080.

The previous prime is 612040313. The next prime is 612040337. The reversal of 612040330 is 33040216.

It is a junction number, because it is equal to n+sod(n) for n = 612040298 and 612040307.

It is not an unprimeable number, because it can be changed into a prime (612040337) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2781892 + ... + 2782111.

It is an arithmetic number, because the mean of its divisors is an integer number (75114054).

Almost surely, 2^612040330 is an apocalyptic number.

612040330 is a deficient number, since it is larger than the sum of its proper divisors (589784534).

612040330 is a wasteful number, since it uses less digits than its factorization.

612040330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5564021.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 612040330 is about 24739.4488620907. The cubic root of 612040330 is about 849.0371242038.

Adding to 612040330 its reverse (33040216), we get a palindrome (645080546).

The spelling of 612040330 in words is "six hundred twelve million, forty thousand, three hundred thirty".