4365321420 has 192 divisors, whose sum is σ = 13080969216. Its totient is φ = 1085736960.

The previous prime is 4365321349. The next prime is 4365321463. The reversal of 4365321420 is 241235634.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9428109 + ... + 9428571.

It is an arithmetic number, because the mean of its divisors is an integer number (68130048).

Almost surely, 2^4365321420 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 4365321420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6540484608).

4365321420 is an abundant number, since it is smaller than the sum of its proper divisors (8715647796).

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

4365321420 is a wasteful number, since it uses less digits than its factorization.

4365321420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680 (or 678 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 4365321420 is about 66070.5790802533. The cubic root of 4365321420 is about 1634.3261969324.

The spelling of 4365321420 in words is "four billion, three hundred sixty-five million, three hundred twenty-one thousand, four hundred twenty".