191882256480 has 192 divisors, whose sum is σ = 672268766400. Its totient is φ = 51116728320.

The previous prime is 191882256473. The next prime is 191882256481. The reversal of 191882256480 is 84652288191.

191882256480 is a `hidden beast` number, since 1 + 91 + 8 + 8 + 22 + 56 + 480 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191882256481) 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, 4336870 + ... + 4380890.

It is an arithmetic number, because the mean of its divisors is an integer number (3501399825).

Almost surely, 2^191882256480 is an apocalyptic number.

191882256480 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 191882256480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336134383200).

191882256480 is an abundant number, since it is smaller than the sum of its proper divisors (480386509920).

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

191882256480 is a wasteful number, since it uses less digits than its factorization.

191882256480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45054 (or 45040 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 54.

The spelling of 191882256480 in words is "one hundred ninety-one billion, eight hundred eighty-two million, two hundred fifty-six thousand, four hundred eighty".