19285356480 has 224 divisors, whose sum is σ = 68809112064. Its totient is φ = 4540698624.

The previous prime is 19285356473. The next prime is 19285356481. The reversal of 19285356480 is 8465358291.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19285356481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 253447 + ... + 320633.

It is an arithmetic number, because the mean of its divisors is an integer number (307183536).

Almost surely, 2^19285356480 is an apocalyptic number.

19285356480 is a gapful number since it is divisible by the number (10) 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 19285356480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34404556032).

19285356480 is an abundant number, since it is smaller than the sum of its proper divisors (49523755584).

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

19285356480 is a wasteful number, since it uses less digits than its factorization.

19285356480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67243 (or 67233 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 51.

The spelling of 19285356480 in words is "nineteen billion, two hundred eighty-five million, three hundred fifty-six thousand, four hundred eighty".