612002240 has 28 divisors (see below), whose sum is σ = 1457331096. Its totient is φ = 244800768.

The previous prime is 612002233. The next prime is 612002249. The reversal of 612002240 is 42200216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612002249) 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 3 ways as a sum of consecutive naturals, for example, 955934 + ... + 956573.

Almost surely, 2^612002240 is an apocalyptic number.

It is an amenable number.

612002240 is an abundant number, since it is smaller than the sum of its proper divisors (845328856).

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

612002240 is a wasteful number, since it uses less digits than its factorization.

612002240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1912524 (or 1912514 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 612002240 is about 24738.6790269812. The cubic root of 612002240 is about 849.0195107158.

Adding to 612002240 its reverse (42200216), we get a palindrome (654202456).

The spelling of 612002240 in words is "six hundred twelve million, two thousand, two hundred forty".