4240185644 has 24 divisors (see below), whose sum is σ = 7717362240. Its totient is φ = 2036676096.

The previous prime is 4240185619. The next prime is 4240185709. The reversal of 4240185644 is 4465810424.

It is a junction number, because it is equal to n+sod(n) for n = 4240185598 and 4240185607.

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 7 ways as a sum of consecutive naturals, for example, 169637 + ... + 193020.

It is an arithmetic number, because the mean of its divisors is an integer number (321556760).

Almost surely, 2^4240185644 is an apocalyptic number.

It is an amenable number.

4240185644 is a deficient number, since it is larger than the sum of its proper divisors (3477176596).

4240185644 is a wasteful number, since it uses less digits than its factorization.

4240185644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362777 (or 362775 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 38.

The square root of 4240185644 is about 65116.7078713290. The cubic root of 4240185644 is about 1618.5580885192.

The spelling of 4240185644 in words is "four billion, two hundred forty million, one hundred eighty-five thousand, six hundred forty-four".