4221361651408 has 40 divisors (see below), whose sum is σ = 8946735408000. Its totient is φ = 1913572381440.

The previous prime is 4221361651387. The next prime is 4221361651411. The reversal of 4221361651408 is 8041561631224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32612533 + ... + 32741716.

It is an arithmetic number, because the mean of its divisors is an integer number (223668385200).

Almost surely, 2^{4221361651408} is an apocalyptic number.

It is an amenable number.

4221361651408 is an abundant number, since it is smaller than the sum of its proper divisors (4725373756592).

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

4221361651408 is a wasteful number, since it uses less digits than its factorization.

4221361651408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65354635 (or 65354629 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 4221361651408 in words is "four trillion, two hundred twenty-one billion, three hundred sixty-one million, six hundred fifty-one thousand, four hundred eight".