612650448 has 120 divisors (see below), whose sum is σ = 1808509248. Its totient is φ = 193222656.

The previous prime is 612650447. The next prime is 612650461. The reversal of 612650448 is 844056216.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612650443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 320311 + ... + 322217.

Almost surely, 2^612650448 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 612650448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (904254624).

612650448 is an abundant number, since it is smaller than the sum of its proper divisors (1195858800).

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

612650448 is a wasteful number, since it uses less digits than its factorization.

612650448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041 (or 2032 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 612650448 is about 24751.7766635044. The cubic root of 612650448 is about 849.3191539838.

The spelling of 612650448 in words is "six hundred twelve million, six hundred fifty thousand, four hundred forty-eight".