2756453040 has 480 divisors, whose sum is σ = 10622177280. Its totient is φ = 634521600.

The previous prime is 2756453033. The next prime is 2756453057. The reversal of 2756453040 is 403546572.

2756453040 is a `hidden beast` number, since 2 + 7 + 5 + 645 + 3 + 0 + 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 = 2756452986 and 2756453004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 25288506 + ... + 25288614.

It is an arithmetic number, because the mean of its divisors is an integer number (22129536).

Almost surely, 2^2756453040 is an apocalyptic number.

2756453040 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 2756453040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5311088640).

2756453040 is an abundant number, since it is smaller than the sum of its proper divisors (7865724240).

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

2756453040 is a wasteful number, since it uses less digits than its factorization.

2756453040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The square root of 2756453040 is about 52501.9336786751. The cubic root of 2756453040 is about 1402.1146681791.

The spelling of 2756453040 in words is "two billion, seven hundred fifty-six million, four hundred fifty-three thousand, forty".