612240443 has 8 divisors (see below), whose sum is σ = 629189712. Its totient is φ = 595312416.

The previous prime is 612240403. The next prime is 612240451. The reversal of 612240443 is 344042216.

612240443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 612240443 - 2¹² = 612236347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612240403) 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, 66221 + ... + 74897.

It is an arithmetic number, because the mean of its divisors is an integer number (78648714).

Almost surely, 2^612240443 is an apocalyptic number.

612240443 is a deficient number, since it is larger than the sum of its proper divisors (16949269).

612240443 is a wasteful number, since it uses less digits than its factorization.

612240443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10621.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 612240443 is about 24743.4929425900. The cubic root of 612240443 is about 849.1296479825.

Adding to 612240443 its reverse (344042216), we get a palindrome (956282659).

The spelling of 612240443 in words is "six hundred twelve million, two hundred forty thousand, four hundred forty-three".