2640006632331 has 12 divisors (see below), whose sum is σ = 3818926147608. Its totient is φ = 1757427544224.

The previous prime is 2640006632327. The next prime is 2640006632371. The reversal of 2640006632331 is 1332366000462.

2640006632331 is a `hidden beast` number, since 2 + 640 + 0 + 0 + 6 + 6 + 3 + 2 + 3 + 3 + 1 = 666.

It is not a de Polignac number, because 2640006632331 - 2² = 2640006632327 is a prime.

It is a super-2 number, since 2×2640006632331² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2640006632321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 214733290 + ... + 214745583.

It is an arithmetic number, because the mean of its divisors is an integer number (318243845634).

Almost surely, 2^{2640006632331} is an apocalyptic number.

2640006632331 is a deficient number, since it is larger than the sum of its proper divisors (1178919515277).

2640006632331 is a wasteful number, since it uses less digits than its factorization.

2640006632331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429479562 (or 429479559 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 36.

The spelling of 2640006632331 in words is "two trillion, six hundred forty billion, six million, six hundred thirty-two thousand, three hundred thirty-one".