50311626140442 has 64 divisors (see below), whose sum is σ = 108661389352704. Its totient is φ = 15470693022720.

The previous prime is 50311626140411. The next prime is 50311626140443. The reversal of 50311626140442 is 24404162611305.

It is a self number, because there is not a number n which added to its sum of digits gives 50311626140442.

It is not an unprimeable number, because it can be changed into a prime (50311626140443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 722467 + ... + 10057097.

It is an arithmetic number, because the mean of its divisors is an integer number (1697834208636).

Almost surely, 2^{50311626140442} is an apocalyptic number.

50311626140442 is an abundant number, since it is smaller than the sum of its proper divisors (58349763212262).

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

50311626140442 is a wasteful number, since it uses less digits than its factorization.

50311626140442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9335703.

The product of its (nonzero) digits is 138240, while the sum is 39.

Adding to 50311626140442 its reverse (24404162611305), we get a palindrome (74715788751747).

The spelling of 50311626140442 in words is "fifty trillion, three hundred eleven billion, six hundred twenty-six million, one hundred forty thousand, four hundred forty-two".