84485940000 has 480 divisors, whose sum is σ = 345532594176. Its totient is φ = 17554560000.

The previous prime is 84485939987. The next prime is 84485940017. The reversal of 84485940000 is 4958448.

It is a tau number, because it is divible by the number of its divisors (480).

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

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4610857 + ... + 4629143.

Almost surely, 2^84485940000 is an apocalyptic number.

84485940000 is a gapful number since it is divisible by the number (80) 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 84485940000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172766297088).

84485940000 is an abundant number, since it is smaller than the sum of its proper divisors (261046654176).

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

84485940000 is a wasteful number, since it uses less digits than its factorization.

84485940000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18338 (or 18315 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The spelling of 84485940000 in words is "eighty-four billion, four hundred eighty-five million, nine hundred forty thousand".