50121353303040 has 176 divisors, whose sum is σ = 160373180659968. Its totient is φ = 13360427925504.

The previous prime is 50121353303033. The next prime is 50121353303051. The reversal of 50121353303040 is 4030335312105.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 50121353302989 and 50121353303007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38418894 + ... + 39702066.

Almost surely, 2^{50121353303040} 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 50121353303040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80186590329984).

50121353303040 is an abundant number, since it is smaller than the sum of its proper divisors (110251827356928).

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

50121353303040 is a wasteful number, since it uses less digits than its factorization.

50121353303040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285744 (or 1285726 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 50121353303040 its reverse (4030335312105), we get a palindrome (54151688615145).

The spelling of 50121353303040 in words is "fifty trillion, one hundred twenty-one billion, three hundred fifty-three million, three hundred three thousand, forty".