4152020240 has 20 divisors (see below), whose sum is σ = 9653447244. Its totient is φ = 1660808064.

The previous prime is 4152020233. The next prime is 4152020251. The reversal of 4152020240 is 420202514.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2268807424 + 1883212816 = 47632^2 + 43396^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25950047 + ... + 25950206.

Almost surely, 2^4152020240 is an apocalyptic number.

4152020240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4152020240 is an abundant number, since it is smaller than the sum of its proper divisors (5501427004).

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

4152020240 is a wasteful number, since it uses less digits than its factorization.

4152020240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51900266 (or 51900260 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 4152020240 is about 64436.1718291830. The cubic root of 4152020240 is about 1607.2612981992.

Adding to 4152020240 its reverse (420202514), we get a palindrome (4572222754).

The spelling of 4152020240 in words is "four billion, one hundred fifty-two million, twenty thousand, two hundred forty".