50136255440 has 40 divisors (see below), whose sum is σ = 118306609440. Its totient is φ = 19755179136.

The previous prime is 50136255427. The next prime is 50136255467. The reversal of 50136255440 is 4455263105.

50136255440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 50136255440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4671530 + ... + 4682249.

It is an arithmetic number, because the mean of its divisors is an integer number (2957665236).

Almost surely, 2^50136255440 is an apocalyptic number.

It is an amenable number.

50136255440 is an abundant number, since it is smaller than the sum of its proper divisors (68170354000).

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

50136255440 is a wasteful number, since it uses less digits than its factorization.

50136255440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9353859 (or 9353853 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 50136255440 in words is "fifty billion, one hundred thirty-six million, two hundred fifty-five thousand, four hundred forty".