2717427405640 has 32 divisors (see below), whose sum is σ = 6473871173880. Its totient is φ = 1023031493632.

The previous prime is 2717427405629. The next prime is 2717427405643. The reversal of 2717427405640 is 465047247172.

It can be written as a sum of positive squares in 4 ways, for example, as 2708914390884 + 8513014756 = 1645878^2 + 92266^2 .

It is a super-2 number, since 2×2717427405640² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2717427405643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1998107707 + ... + 1998109066.

Almost surely, 2^{2717427405640} is an apocalyptic number.

2717427405640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2717427405640 is an abundant number, since it is smaller than the sum of its proper divisors (3756443768240).

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

2717427405640 is a wasteful number, since it uses less digits than its factorization.

2717427405640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3996216801 (or 3996216797 counting only the distinct ones).

The product of its (nonzero) digits is 2634240, while the sum is 49.

The spelling of 2717427405640 in words is "two trillion, seven hundred seventeen billion, four hundred twenty-seven million, four hundred five thousand, six hundred forty".