4224450642456 has 64 divisors (see below), whose sum is σ = 11832613620480. Its totient is φ = 1245538270080.

The previous prime is 4224450642383. The next prime is 4224450642463. The reversal of 4224450642456 is 6542460544224.

It is a super-2 number, since 2×4224450642456² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216229516 + ... + 216249051.

It is an arithmetic number, because the mean of its divisors is an integer number (184884587820).

Almost surely, 2^{4224450642456} is an apocalyptic number.

It is an amenable number.

4224450642456 is an abundant number, since it is smaller than the sum of its proper divisors (7608162978024).

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

4224450642456 is a wasteful number, since it uses less digits than its factorization.

4224450642456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432478624 (or 432478620 counting only the distinct ones).

The product of its (nonzero) digits is 7372800, while the sum is 48.

The spelling of 4224450642456 in words is "four trillion, two hundred twenty-four billion, four hundred fifty million, six hundred forty-two thousand, four hundred fifty-six".