4223643066450 has 72 divisors (see below), whose sum is σ = 11366853131088. Its totient is φ = 1124385999840.

The previous prime is 4223643066373. The next prime is 4223643066479. The reversal of 4223643066450 is 546603463224.

4223643066450 is a `hidden beast` number, since 4 + 2 + 236 + 4 + 306 + 64 + 50 = 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 = 4223643066396 and 4223643066405.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7730632 + ... + 8258931.

It is an arithmetic number, because the mean of its divisors is an integer number (157872960154).

Almost surely, 2^{4223643066450} is an apocalyptic number.

4223643066450 is an abundant number, since it is smaller than the sum of its proper divisors (7143210064638).

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

4223643066450 is a wasteful number, since it uses less digits than its factorization.

4223643066450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15990168 (or 15990160 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 45.

The spelling of 4223643066450 in words is "four trillion, two hundred twenty-three billion, six hundred forty-three million, sixty-six thousand, four hundred fifty".