4131855780 has 96 divisors (see below), whose sum is σ = 13192066944. Its totient is φ = 957241344.

The previous prime is 4131855757. The next prime is 4131855781. The reversal of 4131855780 is 875581314.

It is a super-4 number, since 4×4131855780⁴ (a number of 40 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (4131855781) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 142542 + ... + 169061.

It is an arithmetic number, because the mean of its divisors is an integer number (137417364).

Almost surely, 2^4131855780 is an apocalyptic number.

It is an amenable number.

4131855780 is an abundant number, since it is smaller than the sum of its proper divisors (9060211164).

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

4131855780 is a wasteful number, since it uses less digits than its factorization.

4131855780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311645 (or 311643 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 42.

The square root of 4131855780 is about 64279.5129104134. The cubic root of 4131855780 is about 1604.6551641231.

The spelling of 4131855780 in words is "four billion, one hundred thirty-one million, eight hundred fifty-five thousand, seven hundred eighty".