50403432140 has 24 divisors (see below), whose sum is σ = 107641230480. Its totient is φ = 19819654208.

The previous prime is 50403432139. The next prime is 50403432143. The reversal of 50403432140 is 4123430405.

It is not an unprimeable number, because it can be changed into a prime (50403432143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21356207 + ... + 21358566.

It is an arithmetic number, because the mean of its divisors is an integer number (4485051270).

Almost surely, 2^50403432140 is an apocalyptic number.

It is an amenable number.

50403432140 is an abundant number, since it is smaller than the sum of its proper divisors (57237798340).

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

50403432140 is a wasteful number, since it uses less digits than its factorization.

50403432140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42714841 (or 42714839 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 50403432140 its reverse (4123430405), we get a palindrome (54526862545).

The spelling of 50403432140 in words is "fifty billion, four hundred three million, four hundred thirty-two thousand, one hundred forty".