50440040571 has 16 divisors (see below), whose sum is σ = 68367195648. Its totient is φ = 33069972000.

The previous prime is 50440040561. The next prime is 50440040579. The reversal of 50440040571 is 17504004405.

It is a de Polignac number, because none of the positive numbers 2^k-50440040571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50440040579) 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, 1296046 + ... + 1334396.

It is an arithmetic number, because the mean of its divisors is an integer number (4272949728).

Almost surely, 2^50440040571 is an apocalyptic number.

50440040571 is a deficient number, since it is larger than the sum of its proper divisors (17927155077).

50440040571 is a wasteful number, since it uses less digits than its factorization.

50440040571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45602.

The product of its (nonzero) digits is 11200, while the sum is 30.

Adding to 50440040571 its reverse (17504004405), we get a palindrome (67944044976).

The spelling of 50440040571 in words is "fifty billion, four hundred forty million, forty thousand, five hundred seventy-one".