4426725840 has 80 divisors (see below), whose sum is σ = 13910889408. Its totient is φ = 1164284928.

The previous prime is 4426725833. The next prime is 4426725857. The reversal of 4426725840 is 485276244.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 4426725792 and 4426725801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108814 + ... + 143853.

Almost surely, 2^4426725840 is an apocalyptic number.

4426725840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4426725840 is an abundant number, since it is smaller than the sum of its proper divisors (9484163568).

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

4426725840 is a wasteful number, since it uses less digits than its factorization.

4426725840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252756 (or 252750 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 42.

The square root of 4426725840 is about 66533.6444214504. The cubic root of 4426725840 is about 1641.9535811355.

It can be divided in two parts, 44267 and 25840, that added together give a palindrome (70107).

The spelling of 4426725840 in words is "four billion, four hundred twenty-six million, seven hundred twenty-five thousand, eight hundred forty".