428803475280 has 320 divisors, whose sum is σ = 1472799449088. Its totient is φ = 102653337600.

The previous prime is 428803475231. The next prime is 428803475323. The reversal of 428803475280 is 82574308824.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 34433055 + ... + 34445505.

Almost surely, 2^428803475280 is an apocalyptic number.

428803475280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 428803475280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (736399724544).

428803475280 is an abundant number, since it is smaller than the sum of its proper divisors (1043995973808).

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

428803475280 is a wasteful number, since it uses less digits than its factorization.

428803475280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12874 (or 12868 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 51.

The spelling of 428803475280 in words is "four hundred twenty-eight billion, eight hundred three million, four hundred seventy-five thousand, two hundred eighty".