4661027440145 has 16 divisors (see below), whose sum is σ = 5699637390672. Its totient is φ = 3657907169280.

The previous prime is 4661027440109. The next prime is 4661027440253. The reversal of 4661027440145 is 5410447201664.

It can be written as a sum of positive squares in 8 ways, for example, as 165276736 + 4660862163409 = 12856^2 + 2158903^2 .

It is not a de Polignac number, because 4661027440145 - 2⁶ = 4661027440081 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4661027440096 and 4661027440105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 394505 + ... + 3078585.

It is an arithmetic number, because the mean of its divisors is an integer number (356227336917).

Almost surely, 2^{4661027440145} is an apocalyptic number.

It is an amenable number.

4661027440145 is a deficient number, since it is larger than the sum of its proper divisors (1038609950527).

4661027440145 is a wasteful number, since it uses less digits than its factorization.

4661027440145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2690692.

The product of its (nonzero) digits is 645120, while the sum is 44.

The spelling of 4661027440145 in words is "four trillion, six hundred sixty-one billion, twenty-seven million, four hundred forty thousand, one hundred forty-five".