4020406640622 has 12 divisors (see below), whose sum is σ = 8710881054720. Its totient is φ = 1340135546868.

The previous prime is 4020406640617. The next prime is 4020406640689. The reversal of 4020406640622 is 2260466040204.

4020406640622 is a `hidden beast` number, since 4 + 0 + 2 + 0 + 4 + 0 + 6 + 640 + 6 + 2 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111677962222 + ... + 111677962257.

It is an arithmetic number, because the mean of its divisors is an integer number (725906754560).

Almost surely, 2^{4020406640622} is an apocalyptic number.

4020406640622 is an abundant number, since it is smaller than the sum of its proper divisors (4690474414098).

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

4020406640622 is a wasteful number, since it uses less digits than its factorization.

4020406640622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223355924487 (or 223355924484 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The spelling of 4020406640622 in words is "four trillion, twenty billion, four hundred six million, six hundred forty thousand, six hundred twenty-two".