1740012434557 has 4 divisors (see below), whose sum is σ = 1842366107196. Its totient is φ = 1637658761920.

The previous prime is 1740012434527. The next prime is 1740012434603. The reversal of 1740012434557 is 7554342100471.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 847981297881 + 892031136676 = 920859^2 + 944474^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1740012434557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1740012434507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51176836294 + ... + 51176836327.

It is an arithmetic number, because the mean of its divisors is an integer number (460591526799).

Almost surely, 2^{1740012434557} is an apocalyptic number.

1740012434557 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1740012434557 is a deficient number, since it is larger than the sum of its proper divisors (102353672639).

1740012434557 is a wasteful number, since it uses less digits than its factorization.

1740012434557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102353672638.

The product of its (nonzero) digits is 470400, while the sum is 43.

The spelling of 1740012434557 in words is "one trillion, seven hundred forty billion, twelve million, four hundred thirty-four thousand, five hundred fifty-seven".