50421411440 has 80 divisors (see below), whose sum is σ = 126545025600. Its totient is φ = 18626420736.

The previous prime is 50421411427. The next prime is 50421411449. The reversal of 50421411440 is 4411412405.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×50421411440³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50421411449) 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, 419105 + ... + 525824.

It is an arithmetic number, because the mean of its divisors is an integer number (1581812820).

Almost surely, 2^50421411440 is an apocalyptic number.

It is an amenable number.

50421411440 is an abundant number, since it is smaller than the sum of its proper divisors (76123614160).

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

50421411440 is a wasteful number, since it uses less digits than its factorization.

50421411440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944994 (or 944988 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 50421411440 its reverse (4411412405), we get a palindrome (54832823845).

The spelling of 50421411440 in words is "fifty billion, four hundred twenty-one million, four hundred eleven thousand, four hundred forty".