189570240 has 224 divisors, whose sum is σ = 687994560. Its totient is φ = 49102848.

The previous prime is 189570229. The next prime is 189570253. The reversal of 189570240 is 42075981.

189570240 is a `hidden beast` number, since 1 + 89 + 570 + 2 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 189570195 and 189570204.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 319384 + ... + 319976.

Almost surely, 2^189570240 is an apocalyptic number.

189570240 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 189570240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343997280).

189570240 is an abundant number, since it is smaller than the sum of its proper divisors (498424320).

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

189570240 is a wasteful number, since it uses less digits than its factorization.

189570240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 189570240 is about 13768.4508932559. The cubic root of 189570240 is about 574.4559340114.

The spelling of 189570240 in words is "one hundred eighty-nine million, five hundred seventy thousand, two hundred forty".