612940000 has 120 divisors (see below), whose sum is σ = 1588272840. Its totient is φ = 232128000.

The previous prime is 612939991. The next prime is 612940001. The reversal of 612940000 is 49216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612940001) 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 19 ways as a sum of consecutive naturals, for example, 379194 + ... + 380806.

It is an arithmetic number, because the mean of its divisors is an integer number (13235607).

Almost surely, 2^612940000 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 612940000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (794136420).

612940000 is an abundant number, since it is smaller than the sum of its proper divisors (975332840).

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

612940000 is a wasteful number, since it uses less digits than its factorization.

612940000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662 (or 1639 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 612940000 is about 24757.6250880411. The cubic root of 612940000 is about 849.4529351787.

Adding to 612940000 its reverse (49216), we get a palindrome (612989216).

The spelling of 612940000 in words is "six hundred twelve million, nine hundred forty thousand".