740204535455617 has 4 divisors (see below), whose sum is σ = 744919214025556. Its totient is φ = 735489856885680.

The previous prime is 740204535455611. The next prime is 740204535455641. The reversal of 740204535455617 is 716554535402047.

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 122938510519696 + 617266024935921 = 11087764^2 + 24844839^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-740204535455617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (740204535455611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2357339284734 + ... + 2357339285047.

It is an arithmetic number, because the mean of its divisors is an integer number (186229803506389).

Almost surely, 2^{740204535455617} is an apocalyptic number.

It is an amenable number.

740204535455617 is a deficient number, since it is larger than the sum of its proper divisors (4714678569939).

740204535455617 is a wasteful number, since it uses less digits than its factorization.

740204535455617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4714678569938.

The product of its (nonzero) digits is 70560000, while the sum is 58.

The spelling of 740204535455617 in words is "seven hundred forty trillion, two hundred four billion, five hundred thirty-five million, four hundred fifty-five thousand, six hundred seventeen".