4200140520 has 128 divisors (see below), whose sum is σ = 14103158400. Its totient is φ = 1111822848.

The previous prime is 4200140519. The next prime is 4200140531. The reversal of 4200140520 is 250410024.

4200140520 is a `hidden beast` number, since 4 + 2 + 0 + 0 + 140 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 4200140493 and 4200140502.

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 31 ways as a sum of consecutive naturals, for example, 133767 + ... + 162153.

It is an arithmetic number, because the mean of its divisors is an integer number (110180925).

Almost surely, 2^4200140520 is an apocalyptic number.

4200140520 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 4200140520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7051579200).

4200140520 is an abundant number, since it is smaller than the sum of its proper divisors (9903017880).

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

4200140520 is a wasteful number, since it uses less digits than its factorization.

4200140520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28544 (or 28534 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 4200140520 is about 64808.4911103476. The cubic root of 4200140520 is about 1613.4466393948.

Adding to 4200140520 its reverse (250410024), we get a palindrome (4450550544).

The spelling of 4200140520 in words is "four billion, two hundred million, one hundred forty thousand, five hundred twenty".