4353221376 has 216 divisors, whose sum is σ = 14808894464. Its totient is φ = 1203517440.

The previous prime is 4353221359. The next prime is 4353221393. The reversal of 4353221376 is 6731223534.

4353221376 is a `hidden beast` number, since 43 + 532 + 2 + 13 + 76 = 666.

It is an interprime number because it is at equal distance from previous prime (4353221359) and next prime (4353221393).

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

It is a self number, because there is not a number n which added to its sum of digits gives 4353221376.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 495615 + ... + 504321.

Almost surely, 2^4353221376 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 4353221376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7404447232).

4353221376 is an abundant number, since it is smaller than the sum of its proper divisors (10455673088).

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

4353221376 is a wasteful number, since it uses less digits than its factorization.

4353221376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8767 (or 8750 counting only the distinct ones).

The product of its digits is 90720, while the sum is 36.

The square root of 4353221376 is about 65978.9464602156. The cubic root of 4353221376 is about 1632.8147604143.

The spelling of 4353221376 in words is "four billion, three hundred fifty-three million, two hundred twenty-one thousand, three hundred seventy-six".