50406626409 has 16 divisors (see below), whose sum is σ = 68036431680. Its totient is φ = 33192209600.

The previous prime is 50406626401. The next prime is 50406626423. The reversal of 50406626409 is 90462660405.

50406626409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 50406626409 - 2³ = 50406626401 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50406626401) 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, 71562 + ... + 325475.

It is an arithmetic number, because the mean of its divisors is an integer number (4252276980).

Almost surely, 2^50406626409 is an apocalyptic number.

It is an amenable number.

50406626409 is a deficient number, since it is larger than the sum of its proper divisors (17629805271).

50406626409 is a wasteful number, since it uses less digits than its factorization.

50406626409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397560.

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 50406626409 in words is "fifty billion, four hundred six million, six hundred twenty-six thousand, four hundred nine".