4399718400 has 1008 divisors, whose sum is σ = 20282416128. Its totient is φ = 884736000.

The previous prime is 4399718387. The next prime is 4399718423. The reversal of 4399718400 is 48179934.

It is a tau number, because it is divible by the number of its divisors (1008).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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, 141926385 + ... + 141926415.

Almost surely, 2^4399718400 is an apocalyptic number.

4399718400 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 4399718400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10141208064).

4399718400 is an abundant number, since it is smaller than the sum of its proper divisors (15882697728).

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

4399718400 is a wasteful number, since it uses less digits than its factorization.

4399718400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 4399718400 is about 66330.3731332788. The cubic root of 4399718400 is about 1638.6075827480.

The spelling of 4399718400 in words is "four billion, three hundred ninety-nine million, seven hundred eighteen thousand, four hundred".