50428628990 has 8 divisors (see below), whose sum is σ = 90771532200. Its totient is φ = 20171451592.

The previous prime is 50428628927. The next prime is 50428628993. The reversal of 50428628990 is 9982682405.

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

It is a super-2 number, since 2×50428628990² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50428628993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2521431440 + ... + 2521431459.

It is an arithmetic number, because the mean of its divisors is an integer number (11346441525).

Almost surely, 2^50428628990 is an apocalyptic number.

50428628990 is a deficient number, since it is larger than the sum of its proper divisors (40342903210).

50428628990 is a wasteful number, since it uses less digits than its factorization.

50428628990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5042862906.

The product of its (nonzero) digits is 2488320, while the sum is 53.

The spelling of 50428628990 in words is "fifty billion, four hundred twenty-eight million, six hundred twenty-eight thousand, nine hundred ninety".