188243679454272 has 448 divisors, whose sum is σ = 606304924243200. Its totient is φ = 56917546352640.

The previous prime is 188243679454261. The next prime is 188243679454319. The reversal of 188243679454272 is 272454976342881.

188243679454272 is a `hidden beast` number, since 1 + 8 + 8 + 2 + 4 + 3 + 6 + 7 + 9 + 4 + 542 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 188243679454272.

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, 3632829708 + ... + 3632881524.

It is an arithmetic number, because the mean of its divisors is an integer number (1353359205900).

Almost surely, 2^{188243679454272} is an apocalyptic number.

188243679454272 is a gapful number since it is divisible by the number (12) 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 188243679454272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303152462121600).

188243679454272 is an abundant number, since it is smaller than the sum of its proper divisors (418061244788928).

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

188243679454272 is a wasteful number, since it uses less digits than its factorization.

188243679454272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54651 (or 54635 counting only the distinct ones).

The product of its digits is 1300561920, while the sum is 72.

The spelling of 188243679454272 in words is "one hundred eighty-eight trillion, two hundred forty-three billion, six hundred seventy-nine million, four hundred fifty-four thousand, two hundred seventy-two".