4238850165520 has 80 divisors (see below), whose sum is σ = 9981429116400. Its totient is φ = 1673941248000.

The previous prime is 4238850165499. The next prime is 4238850165533. The reversal of 4238850165520 is 255610588324.

4238850165520 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 8 ways, for example, as 22628583184 + 4216221582336 = 150428^2 + 2053344^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2068330 + ... + 3571510.

It is an arithmetic number, because the mean of its divisors is an integer number (124767863955).

Almost surely, 2^{4238850165520} is an apocalyptic number.

4238850165520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4238850165520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4990714558200).

4238850165520 is an abundant number, since it is smaller than the sum of its proper divisors (5742578950880).

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

4238850165520 is a wasteful number, since it uses less digits than its factorization.

4238850165520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1503644 (or 1503638 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 49.

The spelling of 4238850165520 in words is "four trillion, two hundred thirty-eight billion, eight hundred fifty million, one hundred sixty-five thousand, five hundred twenty".