4406812344 has 128 divisors (see below), whose sum is σ = 13664851200. Its totient is φ = 1304311680.

The previous prime is 4406812337. The next prime is 4406812381. The reversal of 4406812344 is 4432186044.

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

It is a junction number, because it is equal to n+sod(n) for n = 4406812299 and 4406812308.

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, 80602 + ... + 123734.

It is an arithmetic number, because the mean of its divisors is an integer number (106756650).

Almost surely, 2^4406812344 is an apocalyptic number.

4406812344 is a gapful number since it is divisible by the number (44) 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 4406812344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6832425600).

4406812344 is an abundant number, since it is smaller than the sum of its proper divisors (9258038856).

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

4406812344 is a wasteful number, since it uses less digits than its factorization.

4406812344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43202 (or 43192 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

The square root of 4406812344 is about 66383.8259216807. The cubic root of 4406812344 is about 1639.4877866983.

Adding to 4406812344 its reverse (4432186044), we get a palindrome (8838998388).

The spelling of 4406812344 in words is "four billion, four hundred six million, eight hundred twelve thousand, three hundred forty-four".