2640466740177 has 20 divisors (see below), whose sum is σ = 4507886781376. Its totient is φ = 1508838136920.

The previous prime is 2640466740143. The next prime is 2640466740179. The reversal of 2640466740177 is 7710476640462.

2640466740177 is a `hidden beast` number, since 2 + 6 + 4 + 0 + 466 + 7 + 4 + 0 + 177 = 666.

It is not a de Polignac number, because 2640466740177 - 2⁷ = 2640466740049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2640466740179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2328453349 + ... + 2328454482.

Almost surely, 2^{2640466740177} is an apocalyptic number.

2640466740177 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2640466740177 is a deficient number, since it is larger than the sum of its proper divisors (1867420041199).

2640466740177 is an equidigital number, since it uses as much as digits as its factorization.

2640466740177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4656907850 (or 4656907841 counting only the distinct ones).

The product of its (nonzero) digits is 9483264, while the sum is 54.

The spelling of 2640466740177 in words is "two trillion, six hundred forty billion, four hundred sixty-six million, seven hundred forty thousand, one hundred seventy-seven".