4026622646646 has 32 divisors (see below), whose sum is σ = 8948238664320. Its totient is φ = 1342179298152.

The previous prime is 4026622646617. The next prime is 4026622646647. The reversal of 4026622646646 is 6466462266204.

4026622646646 is a `hidden beast` number, since 4 + 0 + 2 + 6 + 622 + 6 + 4 + 6 + 6 + 4 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 4026622646592 and 4026622646601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4026622646647) 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, 1888101 + ... + 3408543.

It is an arithmetic number, because the mean of its divisors is an integer number (279632458260).

Almost surely, 2^{4026622646646} is an apocalyptic number.

4026622646646 is an abundant number, since it is smaller than the sum of its proper divisors (4921616017674).

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

4026622646646 is a wasteful number, since it uses less digits than its factorization.

4026622646646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569497 (or 1569491 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 54.

The spelling of 4026622646646 in words is "four trillion, twenty-six billion, six hundred twenty-two million, six hundred forty-six thousand, six hundred forty-six".