4131625320 has 80 divisors (see below), whose sum is σ = 13886862660. Its totient is φ = 1101765888.

The previous prime is 4131625319. The next prime is 4131625327. The reversal of 4131625320 is 235261314.

4131625320 is a `hidden beast` number, since 4 + 1 + 3 + 1 + 625 + 32 + 0 = 666.

4131625320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3827401956 + 304223364 = 61866^2 + 17442^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (4131625327) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 634357 + ... + 640836.

Almost surely, 2^4131625320 is an apocalyptic number.

4131625320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4131625320 is an abundant number, since it is smaller than the sum of its proper divisors (9755237340).

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

4131625320 is a wasteful number, since it uses less digits than its factorization.

4131625320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275216 (or 1275203 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 4131625320 is about 64277.7202458208. The cubic root of 4131625320 is about 1604.6253296109.

Adding to 4131625320 its reverse (235261314), we get a palindrome (4366886634).

The spelling of 4131625320 in words is "four billion, one hundred thirty-one million, six hundred twenty-five thousand, three hundred twenty".