189307776000 has 528 divisors, whose sum is σ = 732591037152. Its totient is φ = 43266048000.

The previous prime is 189307775953. The next prime is 189307776001. The reversal of 189307776000 is 677703981.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (189307776001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18810970 + ... + 18821030.

Almost surely, 2^189307776000 is an apocalyptic number.

189307776000 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 189307776000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (366295518576).

189307776000 is an abundant number, since it is smaller than the sum of its proper divisors (543283261152).

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

189307776000 is a wasteful number, since it uses less digits than its factorization.

189307776000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10113 (or 10078 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 48.

The spelling of 189307776000 in words is "one hundred eighty-nine billion, three hundred seven million, seven hundred seventy-six thousand".