190704431984 has 80 divisors (see below), whose sum is σ = 421278973920. Its totient is φ = 82831687680.

The previous prime is 190704431963. The next prime is 190704432019. The reversal of 190704431984 is 489134407091.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302492 + ... + 687684.

It is an arithmetic number, because the mean of its divisors is an integer number (5265987174).

Almost surely, 2^190704431984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190704431984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210639486960).

190704431984 is an abundant number, since it is smaller than the sum of its proper divisors (230574541936).

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

190704431984 is a wasteful number, since it uses less digits than its factorization.

190704431984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385338 (or 385332 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 50.

The spelling of 190704431984 in words is "one hundred ninety billion, seven hundred four million, four hundred thirty-one thousand, nine hundred eighty-four".