4399554432 has 256 divisors, whose sum is σ = 14503910400. Its totient is φ = 1150599168.

The previous prime is 4399554403. The next prime is 4399554461. The reversal of 4399554432 is 2344559934.

It is an interprime number because it is at equal distance from previous prime (4399554403) and next prime (4399554461).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4786869 + ... + 4787787.

It is an arithmetic number, because the mean of its divisors is an integer number (56655900).

Almost surely, 2^4399554432 is an apocalyptic number.

4399554432 is a gapful number since it is divisible by the number (42) 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 4399554432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7251955200).

4399554432 is an abundant number, since it is smaller than the sum of its proper divisors (10104355968).

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

4399554432 is a wasteful number, since it uses less digits than its factorization.

4399554432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093 (or 1081 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 48.

The square root of 4399554432 is about 66329.1371269068. The cubic root of 4399554432 is about 1638.5872267068.

The spelling of 4399554432 in words is "four billion, three hundred ninety-nine million, five hundred fifty-four thousand, four hundred thirty-two".