50402550040 has 32 divisors (see below), whose sum is σ = 113709808080. Its totient is φ = 20106963072.

The previous prime is 50402550019. The next prime is 50402550047. The reversal of 50402550040 is 4005520405.

50402550040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 50402549987 and 50402550014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50402550047) 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, 1674174 + ... + 1704013.

Almost surely, 2^50402550040 is an apocalyptic number.

It is an amenable number.

50402550040 is an abundant number, since it is smaller than the sum of its proper divisors (63307258040).

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

50402550040 is a wasteful number, since it uses less digits than its factorization.

50402550040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3378571 (or 3378567 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The spelling of 50402550040 in words is "fifty billion, four hundred two million, five hundred fifty thousand, forty".