4423155400 has 72 divisors (see below), whose sum is σ = 10651084470. Its totient is φ = 1708188160.

The previous prime is 4423155391. The next prime is 4423155403. The reversal of 4423155400 is 45513244.

It can be written as a sum of positive squares in 9 ways, for example, as 297148644 + 4126006756 = 17238^2 + 64234^2 .

It is not an unprimeable number, because it can be changed into a prime (4423155403) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 155052 + ... + 181348.

Almost surely, 2^4423155400 is an apocalyptic number.

4423155400 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 4423155400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5325542235).

4423155400 is an abundant number, since it is smaller than the sum of its proper divisors (6227929070).

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

4423155400 is a wasteful number, since it uses less digits than its factorization.

4423155400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26371 (or 26333 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 4423155400 is about 66506.8071703942. The cubic root of 4423155400 is about 1641.5120152300.

Adding to 4423155400 its reverse (45513244), we get a palindrome (4468668644).

The spelling of 4423155400 in words is "four billion, four hundred twenty-three million, one hundred fifty-five thousand, four hundred".