4403319640 has 128 divisors (see below), whose sum is σ = 10699153920. Its totient is φ = 1626803200.

The previous prime is 4403319619. The next prime is 4403319649. The reversal of 4403319640 is 469133044.

It is a junction number, because it is equal to n+sod(n) for n = 4403319596 and 4403319605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4403319649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4035495 + ... + 4036585.

It is an arithmetic number, because the mean of its divisors is an integer number (83587140).

Almost surely, 2^4403319640 is an apocalyptic number.

4403319640 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 4403319640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5349576960).

4403319640 is an abundant number, since it is smaller than the sum of its proper divisors (6295834280).

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

4403319640 is a wasteful number, since it uses less digits than its factorization.

4403319640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273 (or 1269 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 4403319640 is about 66357.5138172008. The cubic root of 4403319640 is about 1639.0545363437.

The spelling of 4403319640 in words is "four billion, four hundred three million, three hundred nineteen thousand, six hundred forty".