2750564340 has 72 divisors (see below), whose sum is σ = 8348001480. Its totient is φ = 733077504.

The previous prime is 2750564309. The next prime is 2750564357. The reversal of 2750564340 is 434650572.

2750564340 is a `hidden beast` number, since 2 + 7 + 5 + 0 + 5 + 643 + 4 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 843670116 + 1906894224 = 29046^2 + 43668^2 .

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 = 2750564295 and 2750564304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 466692 + ... + 472548.

It is an arithmetic number, because the mean of its divisors is an integer number (115944465).

Almost surely, 2^2750564340 is an apocalyptic number.

2750564340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2750564340 is an abundant number, since it is smaller than the sum of its proper divisors (5597437140).

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

2750564340 is a wasteful number, since it uses less digits than its factorization.

2750564340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8481 (or 8476 counting only the distinct ones).

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

The square root of 2750564340 is about 52445.8229032589. The cubic root of 2750564340 is about 1401.1154953107.

The spelling of 2750564340 in words is "two billion, seven hundred fifty million, five hundred sixty-four thousand, three hundred forty".