189414650880 has 1584 divisors, whose sum is σ = 856218504960. Its totient is φ = 39797194752.

The previous prime is 189414650857. The next prime is 189414650891. The reversal of 189414650880 is 88056414981.

It is a happy number.

189414650880 is a `hidden beast` number, since 1 + 8 + 94 + 1 + 46 + 508 + 8 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 792529801 + ... + 792530039.

Almost surely, 2^189414650880 is an apocalyptic number.

189414650880 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 189414650880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (428109252480).

189414650880 is an abundant number, since it is smaller than the sum of its proper divisors (666803854080).

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

189414650880 is a wasteful number, since it uses less digits than its factorization.

189414650880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306 (or 269 counting only the distinct ones).

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

The spelling of 189414650880 in words is "one hundred eighty-nine billion, four hundred fourteen million, six hundred fifty thousand, eight hundred eighty".