50441776640 has 80 divisors (see below), whose sum is σ = 121116980160. Its totient is φ = 20147527680.

The previous prime is 50441776613. The next prime is 50441776691. The reversal of 50441776640 is 4667714405.

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

It is a junction number, because it is equal to n+sod(n) for n = 50441776591 and 50441776600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1801145 + ... + 1828935.

It is an arithmetic number, because the mean of its divisors is an integer number (1513962252).

Almost surely, 2^50441776640 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 50441776640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60558490080).

50441776640 is an abundant number, since it is smaller than the sum of its proper divisors (70675203520).

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

50441776640 is an equidigital number, since it uses as much as digits as its factorization.

50441776640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28523 (or 28507 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 50441776640 in words is "fifty billion, four hundred forty-one million, seven hundred seventy-six thousand, six hundred forty".