2440642642066 has 8 divisors (see below), whose sum is σ = 3661484969520. Its totient is φ = 1220147652228.

The previous prime is 2440642642057. The next prime is 2440642642129. The reversal of 2440642642066 is 6602462460442.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86816836 + ... + 86844943.

It is an arithmetic number, because the mean of its divisors is an integer number (457685621190).

Almost surely, 2^{2440642642066} is an apocalyptic number.

2440642642066 is a deficient number, since it is larger than the sum of its proper divisors (1220842327454).

2440642642066 is a wasteful number, since it uses less digits than its factorization.

2440642642066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173668808.

The product of its (nonzero) digits is 2654208, while the sum is 46.

The spelling of 2440642642066 in words is "two trillion, four hundred forty billion, six hundred forty-two million, six hundred forty-two thousand, sixty-six".