612940460 has 48 divisors (see below), whose sum is σ = 1422005760. Its totient is φ = 220059840.

The previous prime is 612940451. The next prime is 612940477. The reversal of 612940460 is 64049216.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254 + ... + 35013.

It is an arithmetic number, because the mean of its divisors is an integer number (29625120).

Almost surely, 2^612940460 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 612940460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (711002880).

612940460 is an abundant number, since it is smaller than the sum of its proper divisors (809065300).

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

612940460 is a wasteful number, since it uses less digits than its factorization.

612940460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35366 (or 35364 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 612940460 is about 24757.6343781065. The cubic root of 612940460 is about 849.4531476782.

Adding to 612940460 its reverse (64049216), we get a palindrome (676989676).

The spelling of 612940460 in words is "six hundred twelve million, nine hundred forty thousand, four hundred sixty".