2655302617640 has 32 divisors (see below), whose sum is σ = 5975374245480. Its totient is φ = 1061953339392.

The previous prime is 2655302617603. The next prime is 2655302617663. The reversal of 2655302617640 is 467162035562.

It can be written as a sum of positive squares in 4 ways, for example, as 2556116673796 + 99185943844 = 1598786^2 + 314938^2 .

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 7 ways as a sum of consecutive naturals, for example, 4984217 + ... + 5491176.

Almost surely, 2^{2655302617640} is an apocalyptic number.

2655302617640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2655302617640 is an abundant number, since it is smaller than the sum of its proper divisors (3320071627840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2655302617640 is a wasteful number, since it uses less digits than its factorization.

2655302617640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10481741 (or 10481737 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 47.

The spelling of 2655302617640 in words is "two trillion, six hundred fifty-five billion, three hundred two million, six hundred seventeen thousand, six hundred forty".