2756832480 has 144 divisors (see below), whose sum is σ = 9711321984. Its totient is φ = 711429120.

The previous prime is 2756832479. The next prime is 2756832487. The reversal of 2756832480 is 842386572.

2756832480 is a `hidden beast` number, since 2 + 7 + 568 + 3 + 2 + 4 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2756832487) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13762 + ... + 75518.

It is an arithmetic number, because the mean of its divisors is an integer number (67439736).

Almost surely, 2^2756832480 is an apocalyptic number.

2756832480 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 2756832480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4855660992).

2756832480 is an abundant number, since it is smaller than the sum of its proper divisors (6954489504).

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

2756832480 is a wasteful number, since it uses less digits than its factorization.

2756832480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61809 (or 61798 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 2756832480 is about 52505.5471355170. The cubic root of 2756832480 is about 1402.1790013363.

The spelling of 2756832480 in words is "two billion, seven hundred fifty-six million, eight hundred thirty-two thousand, four hundred eighty".