4420023400 has 288 divisors, whose sum is σ = 12023839800. Its totient is φ = 1499904000.

The previous prime is 4420023389. The next prime is 4420023403. The reversal of 4420023400 is 43200244.

It can be written as a sum of positive squares in 12 ways, for example, as 238331844 + 4181691556 = 15438^2 + 64666^2 .

It is not an unprimeable number, because it can be changed into a prime (4420023403) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 72459370 + ... + 72459430.

Almost surely, 2^4420023400 is an apocalyptic number.

4420023400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4420023400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6011919900).

4420023400 is an abundant number, since it is smaller than the sum of its proper divisors (7603816400).

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

4420023400 is a wasteful number, since it uses less digits than its factorization.

4420023400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 4420023400 is about 66483.2565387707. The cubic root of 4420023400 is about 1641.1244766873.

Adding to 4420023400 its reverse (43200244), we get a palindrome (4463223644).

It can be divided in two parts, 44200 and 23400, that added together give a square (67600 = 260²).

The spelling of 4420023400 in words is "four billion, four hundred twenty million, twenty-three thousand, four hundred".