2726131640 has 32 divisors (see below), whose sum is σ = 6142392000. Its totient is φ = 1088924544.

The previous prime is 2726131633. The next prime is 2726131643. The reversal of 2726131640 is 461316272.

It is a junction number, because it is equal to n+sod(n) for n = 2726131597 and 2726131606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2726131643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18635 + ... + 76154.

It is an arithmetic number, because the mean of its divisors is an integer number (191949750).

Almost surely, 2^2726131640 is an apocalyptic number.

2726131640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2726131640 is an abundant number, since it is smaller than the sum of its proper divisors (3416260360).

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

2726131640 is a wasteful number, since it uses less digits than its factorization.

2726131640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95519 (or 95515 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 2726131640 is about 52212.3705648384. The cubic root of 2726131640 is about 1396.9545432069.

The spelling of 2726131640 in words is "two billion, seven hundred twenty-six million, one hundred thirty-one thousand, six hundred forty".