50342040421 has 4 divisors (see below), whose sum is σ = 51413147712. Its totient is φ = 49270933132.

The previous prime is 50342040409. The next prime is 50342040439. The reversal of 50342040421 is 12404024305.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50342040421 - 2⁵ = 50342040389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50342040401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 535553575 + ... + 535553668.

It is an arithmetic number, because the mean of its divisors is an integer number (12853286928).

Almost surely, 2^50342040421 is an apocalyptic number.

It is an amenable number.

50342040421 is a deficient number, since it is larger than the sum of its proper divisors (1071107291).

50342040421 is a wasteful number, since it uses less digits than its factorization.

50342040421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071107290.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 50342040421 its reverse (12404024305), we get a palindrome (62746064726).

The spelling of 50342040421 in words is "fifty billion, three hundred forty-two million, forty thousand, four hundred twenty-one".