2066408262040 has 64 divisors (see below), whose sum is σ = 4906079409600. Its totient is φ = 781742303232.

The previous prime is 2066408262029. The next prime is 2066408262067. The reversal of 2066408262040 is 402628046602.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 2066408261984 and 2066408262002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12536637 + ... + 12700396.

It is an arithmetic number, because the mean of its divisors is an integer number (76657490775).

Almost surely, 2^{2066408262040} is an apocalyptic number.

2066408262040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2066408262040 is an abundant number, since it is smaller than the sum of its proper divisors (2839671147560).

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

2066408262040 is a wasteful number, since it uses less digits than its factorization.

2066408262040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25237156 (or 25237152 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 40.

The spelling of 2066408262040 in words is "two trillion, sixty-six billion, four hundred eight million, two hundred sixty-two thousand, forty".