612242848 has 144 divisors (see below), whose sum is σ = 1472108904. Its totient is φ = 249661440.

The previous prime is 612242843. The next prime is 612242849. The reversal of 612242848 is 848242216.

It can be written as a sum of positive squares in 4 ways, for example, as 581195664 + 31047184 = 24108^2 + 5572^2 .

It is a super-2 number, since 2×612242848² = 749682609854302208, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (612242843) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 3538890 + ... + 3539062.

Almost surely, 2^612242848 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 612242848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (736054452).

612242848 is an abundant number, since it is smaller than the sum of its proper divisors (859866056).

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

612242848 is a wasteful number, since it uses less digits than its factorization.

612242848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295 (or 280 counting only the distinct ones).

The product of its digits is 49152, while the sum is 37.

The square root of 612242848 is about 24743.5415411780. The cubic root of 612242848 is about 849.1307598301.

The spelling of 612242848 in words is "six hundred twelve million, two hundred forty-two thousand, eight hundred forty-eight".