4540327178641 has 4 divisors (see below), whose sum is σ = 4543634046132. Its totient is φ = 4537020311152.

The previous prime is 4540327178623. The next prime is 4540327178657. The reversal of 4540327178641 is 1468717230454.

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 2125411178641 + 2414916000000 = 1457879^2 + 1554000^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4540327178641 is a prime.

It is a super-2 number, since 2×4540327178641² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4540327178041) 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, 1653431686 + ... + 1653434431.

It is an arithmetic number, because the mean of its divisors is an integer number (1135908511533).

Almost surely, 2^{4540327178641} is an apocalyptic number.

It is an amenable number.

4540327178641 is a deficient number, since it is larger than the sum of its proper divisors (3306867491).

4540327178641 is a wasteful number, since it uses less digits than its factorization.

4540327178641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3306867490.

The product of its (nonzero) digits is 4515840, while the sum is 52.

The spelling of 4540327178641 in words is "four trillion, five hundred forty billion, three hundred twenty-seven million, one hundred seventy-eight thousand, six hundred forty-one".