612315456 has 56 divisors (see below), whose sum is σ = 1623791520. Its totient is φ = 203638272.

The previous prime is 612315439. The next prime is 612315463. The reversal of 612315456 is 654513216.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 86250 + ... + 93078.

Almost surely, 2^612315456 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 612315456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (811895760).

612315456 is an abundant number, since it is smaller than the sum of its proper divisors (1011476064).

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

612315456 is a wasteful number, since it uses less digits than its factorization.

612315456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7311 (or 7301 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The square root of 612315456 is about 24745.0087088285. The cubic root of 612315456 is about 849.1643256225.

The spelling of 612315456 in words is "six hundred twelve million, three hundred fifteen thousand, four hundred fifty-six".