50143640412 has 48 divisors (see below), whose sum is σ = 119300371232. Its totient is φ = 16387937280.

The previous prime is 50143640401. The next prime is 50143640413. The reversal of 50143640412 is 21404634105.

It is a self number, because there is not a number n which added to its sum of digits gives 50143640412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50143640413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119688 + ... + 338544.

Almost surely, 2^50143640412 is an apocalyptic number.

It is an amenable number.

50143640412 is an abundant number, since it is smaller than the sum of its proper divisors (69156730820).

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

50143640412 is a wasteful number, since it uses less digits than its factorization.

50143640412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219238 (or 219236 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 50143640412 in words is "fifty billion, one hundred forty-three million, six hundred forty thousand, four hundred twelve".