428808079050 has 384 divisors, whose sum is σ = 1247014185984. Its totient is φ = 96555663360.

The previous prime is 428808079031. The next prime is 428808079093. The reversal of 428808079050 is 50970808824.

It is a happy number.

428808079050 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 428808078984 and 428808079002.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 244612974 + ... + 244614726.

It is an arithmetic number, because the mean of its divisors is an integer number (3247432776).

Almost surely, 2^428808079050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 428808079050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (623507092992).

428808079050 is an abundant number, since it is smaller than the sum of its proper divisors (818206106934).

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

428808079050 is a wasteful number, since it uses less digits than its factorization.

428808079050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002 (or 1997 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 51.

The spelling of 428808079050 in words is "four hundred twenty-eight billion, eight hundred eight million, seventy-nine thousand, fifty".