4064640102 has 64 divisors (see below), whose sum is σ = 9357131520. Its totient is φ = 1323309960.

The previous prime is 4064640101. The next prime is 4064640121. The reversal of 4064640102 is 2010464604.

4064640102 is a `hidden beast` number, since 4 + 0 + 6 + 4 + 640 + 10 + 2 = 666.

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 (4064640101) by changing a digit.

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, 177277 + ... + 198887.

It is an arithmetic number, because the mean of its divisors is an integer number (146205180).

Almost surely, 2^4064640102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4064640102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4678565760).

4064640102 is an abundant number, since it is smaller than the sum of its proper divisors (5292491418).

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

4064640102 is an equidigital number, since it uses as much as digits as its factorization.

4064640102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21677 (or 21659 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 4064640102 is about 63754.5300508129. The cubic root of 4064640102 is about 1595.9062144562.

The spelling of 4064640102 in words is "four billion, sixty-four million, six hundred forty thousand, one hundred two".