4026001664040 has 64 divisors (see below), whose sum is σ = 12078486711360. Its totient is φ = 1073557624320.

The previous prime is 4026001664039. The next prime is 4026001664093. The reversal of 4026001664040 is 404661006204.

It is a junction number, because it is equal to n+sod(n) for n = 4026001663992 and 4026001664010.

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, 2411047 + ... + 3723593.

It is an arithmetic number, because the mean of its divisors is an integer number (188726354865).

Almost surely, 2^{4026001664040} is an apocalyptic number.

4026001664040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4026001664040 is an abundant number, since it is smaller than the sum of its proper divisors (8052485047320).

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

4026001664040 is a wasteful number, since it uses less digits than its factorization.

4026001664040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338122 (or 1338118 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The spelling of 4026001664040 in words is "four trillion, twenty-six billion, one million, six hundred sixty-four thousand, forty".