4239817440 has 96 divisors (see below), whose sum is σ = 13364416800. Its totient is φ = 1129857024.

The previous prime is 4239817433. The next prime is 4239817441. The reversal of 4239817440 is 447189324.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 4239817392 and 4239817401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4239817441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1389036 + ... + 1392084.

It is an arithmetic number, because the mean of its divisors is an integer number (139212675).

Almost surely, 2^4239817440 is an apocalyptic number.

4239817440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4239817440 is an abundant number, since it is smaller than the sum of its proper divisors (9124599360).

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

4239817440 is a wasteful number, since it uses less digits than its factorization.

4239817440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5964 (or 5956 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 4239817440 is about 65113.8805478525. The cubic root of 4239817440 is about 1618.5112370475.

The spelling of 4239817440 in words is "four billion, two hundred thirty-nine million, eight hundred seventeen thousand, four hundred forty".