612802560 has 112 divisors (see below), whose sum is σ = 1961241696. Its totient is φ = 163381248.

The previous prime is 612802543. The next prime is 612802579. The reversal of 612802560 is 65208216.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120387 + ... + 125373.

Almost surely, 2^612802560 is an apocalyptic number.

612802560 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612802560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (980620848).

612802560 is an abundant number, since it is smaller than the sum of its proper divisors (1348439136).

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

612802560 is an equidigital number, since it uses as much as digits as its factorization.

612802560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5021 (or 4997 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 612802560 is about 24754.8492219201. The cubic root of 612802560 is about 849.3894392745.

The spelling of 612802560 in words is "six hundred twelve million, eight hundred two thousand, five hundred sixty".