4002102010 has 8 divisors (see below), whose sum is σ = 7203783636. Its totient is φ = 1600840800.

The previous prime is 4002101947. The next prime is 4002102011. The reversal of 4002102010 is 102012004.

It can be written as a sum of positive squares in 2 ways, for example, as 3245466961 + 756635049 = 56969^2 + 27507^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 400210201 = 4002102010 / (4 + 0 + 0 + 2 + 1 + 0 + 2 + 0 + 1 + 0).

It is not an unprimeable number, because it can be changed into a prime (4002102011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200105091 + ... + 200105110.

Almost surely, 2^4002102010 is an apocalyptic number.

4002102010 is a deficient number, since it is larger than the sum of its proper divisors (3201681626).

4002102010 is a wasteful number, since it uses less digits than its factorization.

4002102010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400210208.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 4002102010 is about 63262.1688689220. The cubic root of 4002102010 is about 1587.6790643489.

Adding to 4002102010 its reverse (102012004), we get a palindrome (4104114014).

The spelling of 4002102010 in words is "four billion, two million, one hundred two thousand, ten".