4006226246646 has 32 divisors (see below), whose sum is σ = 8628939019008. Its totient is φ = 1232664423840.

The previous prime is 4006226246641. The next prime is 4006226246651. The reversal of 4006226246646 is 6466426226004.

It is an interprime number because it is at equal distance from previous prime (4006226246641) and next prime (4006226246651).

It is a junction number, because it is equal to n+sod(n) for n = 4006226246595 and 4006226246604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4006226246641) 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, 4659015 + ... + 5451501.

It is an arithmetic number, because the mean of its divisors is an integer number (269654344344).

Almost surely, 2^{4006226246646} is an apocalyptic number.

4006226246646 is an abundant number, since it is smaller than the sum of its proper divisors (4622712772362).

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

4006226246646 is a wasteful number, since it uses less digits than its factorization.

4006226246646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857316.

The product of its (nonzero) digits is 3981312, while the sum is 48.

The spelling of 4006226246646 in words is "four trillion, six billion, two hundred twenty-six million, two hundred forty-six thousand, six hundred forty-six".