50032142420 has 72 divisors (see below), whose sum is σ = 118718078976. Its totient is φ = 17670187392.

The previous prime is 50032142371. The next prime is 50032142423. The reversal of 50032142420 is 2424123005.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50032142423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 244052 + ... + 399531.

It is an arithmetic number, because the mean of its divisors is an integer number (1648862208).

Almost surely, 2^50032142420 is an apocalyptic number.

It is an amenable number.

50032142420 is an abundant number, since it is smaller than the sum of its proper divisors (68685936556).

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

50032142420 is a wasteful number, since it uses less digits than its factorization.

50032142420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643641 (or 643626 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 50032142420 its reverse (2424123005), we get a palindrome (52456265425).

The spelling of 50032142420 in words is "fifty billion, thirty-two million, one hundred forty-two thousand, four hundred twenty".