4429671840 has 576 divisors, whose sum is σ = 17656652160. Its totient is φ = 1028505600.

The previous prime is 4429671803. The next prime is 4429671847. The reversal of 4429671840 is 481769244.

It is a super-2 number, since 2×4429671840² = 39243985220177971200, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4429671847) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 45666672 + ... + 45666768.

It is an arithmetic number, because the mean of its divisors is an integer number (30653910).

Almost surely, 2^4429671840 is an apocalyptic number.

4429671840 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 4429671840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8828326080).

4429671840 is an abundant number, since it is smaller than the sum of its proper divisors (13226980320).

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

4429671840 is a wasteful number, since it uses less digits than its factorization.

4429671840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 4429671840 is about 66555.7799142944. The cubic root of 4429671840 is about 1642.3177421253.

The spelling of 4429671840 in words is "four billion, four hundred twenty-nine million, six hundred seventy-one thousand, eight hundred forty".