2640140152775 has 12 divisors (see below), whose sum is σ = 3273796323000. Its totient is φ = 2112097584480.

The previous prime is 2640140152757. The next prime is 2640140152787. The reversal of 2640140152775 is 5772510410462.

It is a happy number.

2640140152775 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2640140152775 - 2¹⁶ = 2640140087239 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4754381 + ... + 5280569.

It is an arithmetic number, because the mean of its divisors is an integer number (272816360250).

Almost surely, 2^{2640140152775} is an apocalyptic number.

2640140152775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2640140152775 is a deficient number, since it is larger than the sum of its proper divisors (633656170225).

2640140152775 is a wasteful number, since it uses less digits than its factorization.

2640140152775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726898 (or 726893 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 44.

The spelling of 2640140152775 in words is "two trillion, six hundred forty billion, one hundred forty million, one hundred fifty-two thousand, seven hundred seventy-five".