50640461000 has 64 divisors (see below), whose sum is σ = 118560948480. Its totient is φ = 20245540800.

The previous prime is 50640460973. The next prime is 50640461009. The reversal of 50640461000 is 16404605.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (50640461009) 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, 2050727 + ... + 2075273.

It is an arithmetic number, because the mean of its divisors is an integer number (1852514820).

Almost surely, 2^50640461000 is an apocalyptic number.

50640461000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50640461000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59280474240).

50640461000 is an abundant number, since it is smaller than the sum of its proper divisors (67920487480).

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

50640461000 is a wasteful number, since it uses less digits than its factorization.

50640461000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26631 (or 26617 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 50640461000 its reverse (16404605), we get a palindrome (50656865605).

The spelling of 50640461000 in words is "fifty billion, six hundred forty million, four hundred sixty-one thousand".