4221646446150 has 144 divisors (see below), whose sum is σ = 13155935180544. Its totient is φ = 950545506240.

The previous prime is 4221646446137. The next prime is 4221646446197. The reversal of 4221646446150 is 516446461224.

4221646446150 is a `hidden beast` number, since 4 + 2 + 2 + 16 + 46 + 446 + 150 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 4221646446096 and 4221646446105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9790482 + ... + 10212581.

It is an arithmetic number, because the mean of its divisors is an integer number (91360660976).

Almost surely, 2^{4221646446150} is an apocalyptic number.

4221646446150 is an abundant number, since it is smaller than the sum of its proper divisors (8934288734394).

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

4221646446150 is a wasteful number, since it uses less digits than its factorization.

4221646446150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20003155 (or 20003147 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The spelling of 4221646446150 in words is "four trillion, two hundred twenty-one billion, six hundred forty-six million, four hundred forty-six thousand, one hundred fifty".