312040445434 has 8 divisors (see below), whose sum is σ = 469117239840. Its totient is φ = 155668032156.

The previous prime is 312040445419. The next prime is 312040445531. The reversal of 312040445434 is 434544040213.

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

It is a self number, because there is not a number n which added to its sum of digits gives 312040445434.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176094174 + ... + 176095945.

It is an arithmetic number, because the mean of its divisors is an integer number (58639654980).

Almost surely, 2^312040445434 is an apocalyptic number.

312040445434 is a deficient number, since it is larger than the sum of its proper divisors (157076794406).

312040445434 is a wasteful number, since it uses less digits than its factorization.

312040445434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352190564.

The product of its (nonzero) digits is 92160, while the sum is 34.

Adding to 312040445434 its reverse (434544040213), we get a palindrome (746584485647).

The spelling of 312040445434 in words is "three hundred twelve billion, forty million, four hundred forty-five thousand, four hundred thirty-four".