3726443520 has 528 divisors, whose sum is σ = 14071045248. Its totient is φ = 908328960.

The previous prime is 3726443519. The next prime is 3726443531. The reversal of 3726443520 is 253446273.

3726443520 is a `hidden beast` number, since 3 + 7 + 2 + 644 + 3 + 5 + 2 + 0 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52485085 + ... + 52485155.

Almost surely, 2^3726443520 is an apocalyptic number.

3726443520 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 3726443520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7035522624).

3726443520 is an abundant number, since it is smaller than the sum of its proper divisors (10344601728).

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

3726443520 is a wasteful number, since it uses less digits than its factorization.

3726443520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 36.

The square root of 3726443520 is about 61044.6027098219. The cubic root of 3726443520 is about 1550.3562857698.

Adding to 3726443520 its reverse (253446273), we get a palindrome (3979889793).

The spelling of 3726443520 in words is "three billion, seven hundred twenty-six million, four hundred forty-three thousand, five hundred twenty".