2726487380 has 12 divisors (see below), whose sum is σ = 5725623540. Its totient is φ = 1090594944.

The previous prime is 2726487371. The next prime is 2726487389. The reversal of 2726487380 is 837846272.

It is an interprime number because it is at equal distance from previous prime (2726487371) and next prime (2726487389).

It can be written as a sum of positive squares in 2 ways, for example, as 1964616976 + 761870404 = 44324^2 + 27602^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2726487389) 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 3 ways as a sum of consecutive naturals, for example, 68162165 + ... + 68162204.

It is an arithmetic number, because the mean of its divisors is an integer number (477135295).

Almost surely, 2^2726487380 is an apocalyptic number.

2726487380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2726487380 is an abundant number, since it is smaller than the sum of its proper divisors (2999136160).

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

2726487380 is a wasteful number, since it uses less digits than its factorization.

2726487380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136324378 (or 136324376 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 47.

The square root of 2726487380 is about 52215.7771176490. Note that the first 3 decimals coincide. The cubic root of 2726487380 is about 1397.0153046398.

The spelling of 2726487380 in words is "two billion, seven hundred twenty-six million, four hundred eighty-seven thousand, three hundred eighty".