5142305520 has 640 divisors, whose sum is σ = 21212928000. Its totient is φ = 1130250240.

The previous prime is 5142305507. The next prime is 5142305527. The reversal of 5142305520 is 255032415.

It is a happy number.

It is a super-2 number, since 2×5142305520² = 52886612122044940800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5142305527) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 11713461 + ... + 11713899.

It is an arithmetic number, because the mean of its divisors is an integer number (33145200).

Almost surely, 2^5142305520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5142305520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10606464000).

5142305520 is an abundant number, since it is smaller than the sum of its proper divisors (16070622480).

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

5142305520 is a wasteful number, since it uses less digits than its factorization.

5142305520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518 (or 506 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 5142305520 is about 71709.8704503083. The cubic root of 5142305520 is about 1726.0470316463.

Adding to 5142305520 its reverse (255032415), we get a palindrome (5397337935).

The spelling of 5142305520 in words is "five billion, one hundred forty-two million, three hundred five thousand, five hundred twenty".