3944354400 has 576 divisors, whose sum is σ = 17173900800. Its totient is φ = 853493760.

The previous prime is 3944354339. The next prime is 3944354411. The reversal of 3944354400 is 44534493.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2872114 + ... + 2873486.

It is an arithmetic number, because the mean of its divisors is an integer number (29815800).

Almost surely, 2^3944354400 is an apocalyptic number.

3944354400 is a gapful number since it is divisible by the number (30) 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 3944354400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8586950400).

3944354400 is an abundant number, since it is smaller than the sum of its proper divisors (13229546400).

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

3944354400 is a wasteful number, since it uses less digits than its factorization.

3944354400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428 (or 1409 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The square root of 3944354400 is about 62804.0954078633. The cubic root of 3944354400 is about 1580.0056614656.

Adding to 3944354400 its reverse (44534493), we get a palindrome (3988888893).

The spelling of 3944354400 in words is "three billion, nine hundred forty-four million, three hundred fifty-four thousand, four hundred".