50280137628 has 48 divisors (see below), whose sum is σ = 135382141440. Its totient is φ = 14226277824.

The previous prime is 50280137623. The next prime is 50280137629. The reversal of 50280137628 is 82673108205.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 50280137628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50280137623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2897043 + ... + 2914346.

It is an arithmetic number, because the mean of its divisors is an integer number (2820461280).

Almost surely, 2^50280137628 is an apocalyptic number.

It is an amenable number.

50280137628 is an abundant number, since it is smaller than the sum of its proper divisors (85102003812).

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

50280137628 is a wasteful number, since it uses less digits than its factorization.

50280137628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5811506 (or 5811504 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 50280137628 in words is "fifty billion, two hundred eighty million, one hundred thirty-seven thousand, six hundred twenty-eight".