2663066040 has 64 divisors (see below), whose sum is σ = 8336563200. Its totient is φ = 679274112.

The previous prime is 2663065991. The next prime is 2663066047. The reversal of 2663066040 is 406603662.

It is a junction number, because it is equal to n+sod(n) for n = 2663065992 and 2663066010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2663066047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 479680 + ... + 485199.

It is an arithmetic number, because the mean of its divisors is an integer number (130258800).

Almost surely, 2^2663066040 is an apocalyptic number.

2663066040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2663066040 is an abundant number, since it is smaller than the sum of its proper divisors (5673497160).

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

2663066040 is a wasteful number, since it uses less digits than its factorization.

2663066040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964916 (or 964912 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 2663066040 is about 51604.9032554078. The cubic root of 2663066040 is about 1386.0981338078.

The spelling of 2663066040 in words is "two billion, six hundred sixty-three million, sixty-six thousand, forty".