4456421424 has 360 divisors, whose sum is σ = 16452749040. Its totient is φ = 1113025536.

The previous prime is 4456421393. The next prime is 4456421441. The reversal of 4456421424 is 4241246544.

4456421424 is a `hidden beast` number, since 4 + 4 + 5 + 642 + 1 + 4 + 2 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 1741554 + ... + 1744110.

Almost surely, 2^4456421424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4456421424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8226374520).

4456421424 is an abundant number, since it is smaller than the sum of its proper divisors (11996327616).

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

4456421424 is a wasteful number, since it uses less digits than its factorization.

4456421424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2617 (or 2601 counting only the distinct ones).

The product of its digits is 122880, while the sum is 36.

The square root of 4456421424 is about 66756.4335775961. The cubic root of 4456421424 is about 1645.6169467994.

Adding to 4456421424 its reverse (4241246544), we get a palindrome (8697667968).

The spelling of 4456421424 in words is "four billion, four hundred fifty-six million, four hundred twenty-one thousand, four hundred twenty-four".