50144427840 has 448 divisors, whose sum is σ = 178517799936. Its totient is φ = 11845337088.

The previous prime is 50144427811. The next prime is 50144427869. The reversal of 50144427840 is 4872444105.

It is an interprime number because it is at equal distance from previous prime (50144427811) and next prime (50144427869).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31086874 + ... + 31088486.

It is an arithmetic number, because the mean of its divisors is an integer number (398477232).

Almost surely, 2^50144427840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50144427840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89258899968).

50144427840 is an abundant number, since it is smaller than the sum of its proper divisors (128373372096).

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

50144427840 is a wasteful number, since it uses less digits than its factorization.

50144427840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746 (or 1736 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 39.

The spelling of 50144427840 in words is "fifty billion, one hundred forty-four million, four hundred twenty-seven thousand, eight hundred forty".