4242086520 has 128 divisors (see below), whose sum is σ = 14853888000. Its totient is φ = 948980736.

The previous prime is 4242086501. The next prime is 4242086521. The reversal of 4242086520 is 256802424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4242086521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14245 + ... + 93204.

It is an arithmetic number, because the mean of its divisors is an integer number (116046000).

Almost surely, 2^4242086520 is an apocalyptic number.

4242086520 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 4242086520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7426944000).

4242086520 is an abundant number, since it is smaller than the sum of its proper divisors (10611801480).

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

4242086520 is a wasteful number, since it uses less digits than its factorization.

4242086520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107517 (or 107513 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 4242086520 is about 65131.3021518839. The cubic root of 4242086520 is about 1618.7999190143.

Adding to 4242086520 its reverse (256802424), we get a palindrome (4498888944).

The spelling of 4242086520 in words is "four billion, two hundred forty-two million, eighty-six thousand, five hundred twenty".