50440413505 has 8 divisors (see below), whose sum is σ = 60544351872. Its totient is φ = 40341760368.

The previous prime is 50440413481. The next prime is 50440413509. The reversal of 50440413505 is 50531404405.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50440413505 - 2⁵ = 50440413473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50440413509) 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, 1300279 + ... + 1338508.

It is an arithmetic number, because the mean of its divisors is an integer number (7568043984).

Almost surely, 2^50440413505 is an apocalyptic number.

It is an amenable number.

50440413505 is a deficient number, since it is larger than the sum of its proper divisors (10103938367).

50440413505 is a wasteful number, since it uses less digits than its factorization.

50440413505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2642615.

The product of its (nonzero) digits is 24000, while the sum is 31.

The spelling of 50440413505 in words is "fifty billion, four hundred forty million, four hundred thirteen thousand, five hundred five".