2723294540 has 24 divisors (see below), whose sum is σ = 5721267552. Its totient is φ = 1088870400.

The previous prime is 2723294521. The next prime is 2723294543. The reversal of 2723294540 is 454923272.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2723294494 and 2723294503.

It is not an unprimeable number, because it can be changed into a prime (2723294543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24332 + ... + 77708.

It is an arithmetic number, because the mean of its divisors is an integer number (238386148).

Almost surely, 2^2723294540 is an apocalyptic number.

2723294540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2723294540 is an abundant number, since it is smaller than the sum of its proper divisors (2997973012).

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

2723294540 is a wasteful number, since it uses less digits than its factorization.

2723294540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55937 (or 55935 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 2723294540 is about 52185.1946436918. The cubic root of 2723294540 is about 1396.4697689395.

The spelling of 2723294540 in words is "two billion, seven hundred twenty-three million, two hundred ninety-four thousand, five hundred forty".