2645732160 has 280 divisors, whose sum is σ = 9512295936. Its totient is φ = 697973760.

The previous prime is 2645732123. The next prime is 2645732161. The reversal of 2645732160 is 612375462.

2645732160 is a `hidden beast` number, since 2 + 6 + 4 + 573 + 21 + 60 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2645732161) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2669265 + ... + 2670255.

Almost surely, 2^2645732160 is an apocalyptic number.

2645732160 is a gapful number since it is divisible by the number (20) 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 2645732160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4756147968).

2645732160 is an abundant number, since it is smaller than the sum of its proper divisors (6866563776).

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

2645732160 is a wasteful number, since it uses less digits than its factorization.

2645732160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123 (or 1104 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 2645732160 is about 51436.6810748905. The cubic root of 2645732160 is about 1383.0842171366.

The spelling of 2645732160 in words is "two billion, six hundred forty-five million, seven hundred thirty-two thousand, one hundred sixty".