671229360 has 480 divisors, whose sum is σ = 2590548480. Its totient is φ = 154828800.

The previous prime is 671229353. The next prime is 671229373. The reversal of 671229360 is 63922176.

671229360 is a `hidden beast` number, since 6 + 71 + 229 + 360 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11003730 + ... + 11003790.

It is an arithmetic number, because the mean of its divisors is an integer number (5396976).

Almost surely, 2^671229360 is an apocalyptic number.

671229360 is a gapful number since it is divisible by the number (60) 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 671229360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1295274240).

671229360 is an abundant number, since it is smaller than the sum of its proper divisors (1919319120).

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

671229360 is a wasteful number, since it uses less digits than its factorization.

671229360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 671229360 is about 25908.0944880167. The cubic root of 671229360 is about 875.5688752396.

The spelling of 671229360 in words is "six hundred seventy-one million, two hundred twenty-nine thousand, three hundred sixty".