2731357340 has 12 divisors (see below), whose sum is σ = 5735850456. Its totient is φ = 1092542928.

The previous prime is 2731357339. The next prime is 2731357357. The reversal of 2731357340 is 437531372.

It is a self number, because there is not a number n which added to its sum of digits gives 2731357340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68283914 + ... + 68283953.

It is an arithmetic number, because the mean of its divisors is an integer number (477987538).

Almost surely, 2^2731357340 is an apocalyptic number.

2731357340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2731357340 is an abundant number, since it is smaller than the sum of its proper divisors (3004493116).

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

2731357340 is a wasteful number, since it uses less digits than its factorization.

2731357340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136567876 (or 136567874 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 35.

The square root of 2731357340 is about 52262.3893445372. The cubic root of 2731357340 is about 1397.8465771463.

The spelling of 2731357340 in words is "two billion, seven hundred thirty-one million, three hundred fifty-seven thousand, three hundred forty".