612043968 has 56 divisors (see below), whose sum is σ = 1639905280. Its totient is φ = 201427200.

The previous prime is 612043951. The next prime is 612043969. The reversal of 612043968 is 869340216.

It is not an unprimeable number, because it can be changed into a prime (612043969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5008 + ... + 35343.

Almost surely, 2^612043968 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 612043968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (819952640).

612043968 is an abundant number, since it is smaller than the sum of its proper divisors (1027861312).

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

612043968 is a wasteful number, since it uses less digits than its factorization.

612043968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40445 (or 40435 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 612043968 is about 24739.5223882758. The cubic root of 612043968 is about 849.0388064409.

The spelling of 612043968 in words is "six hundred twelve million, forty-three thousand, nine hundred sixty-eight".