1740138254449 has 27 divisors (see below), whose sum is σ = 2091991128921. Its totient is φ = 1443195207720.

The previous prime is 1740138254417. The next prime is 1740138254521. The reversal of 1740138254449 is 9444528310471.

The square root of 1740138254449 is 1319143.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 1740138254449 - 2⁵ = 1740138254417 is a prime.

It is a super-2 number, since 2×1740138254449² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1740138254396 and 1740138254405.

It is not an unprimeable number, because it can be changed into a prime (1740138254749) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 286250992 + ... + 286257070.

It is an arithmetic number, because the mean of its divisors is an integer number (77481152923).

Almost surely, 2^{1740138254449} is an apocalyptic number.

1740138254449 is the 1319143-rd square number.

1740138254449 is the 659572-nd centered octagonal number.

It is an amenable number.

1740138254449 is a deficient number, since it is larger than the sum of its proper divisors (351852874472).

1740138254449 is an frugal number, since it uses more digits than its factorization.

1740138254449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12234 (or 6117 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 52.

The spelling of 1740138254449 in words is "one trillion, seven hundred forty billion, one hundred thirty-eight million, two hundred fifty-four thousand, four hundred forty-nine".