4131855384 has 24 divisors (see below), whose sum is σ = 10330425780. Its totient is φ = 1377180160.

The previous prime is 4131855341. The next prime is 4131855391. The reversal of 4131855384 is 4835581314.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 308344 + ... + 321464.

Almost surely, 2^4131855384 is an apocalyptic number.

It is an amenable number.

4131855384 is an abundant number, since it is smaller than the sum of its proper divisors (6198570396).

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

4131855384 is an frugal number, since it uses more digits than its factorization.

4131855384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26251 (or 13126 counting only the distinct ones).

The product of its digits is 230400, while the sum is 42.

The square root of 4131855384 is about 64279.5098301162. The cubic root of 4131855384 is about 1604.6551128594.

The spelling of 4131855384 in words is "four billion, one hundred thirty-one million, eight hundred fifty-five thousand, three hundred eighty-four".