312050140240 has 40 divisors (see below), whose sum is σ = 725540078088. Its totient is φ = 124816012800.

The previous prime is 312050140211. The next prime is 312050140253. The reversal of 312050140240 is 42041050213.

It can be written as a sum of positive squares in 4 ways, for example, as 1248350224 + 310801790016 = 35332^2 + 557496^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4255890 + ... + 4328590.

Almost surely, 2^312050140240 is an apocalyptic number.

It is an amenable number.

312050140240 is an abundant number, since it is smaller than the sum of its proper divisors (413489937848).

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

312050140240 is a wasteful number, since it uses less digits than its factorization.

312050140240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126367 (or 126361 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 312050140240 its reverse (42041050213), we get a palindrome (354091190453).

The spelling of 312050140240 in words is "three hundred twelve billion, fifty million, one hundred forty thousand, two hundred forty".