4002630401 has 16 divisors (see below), whose sum is σ = 5009292288. Its totient is φ = 3107058000.

The previous prime is 4002630349. The next prime is 4002630419. The reversal of 4002630401 is 1040362004.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4002630401 - 2²² = 3998436097 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4002630481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78575 + ... + 119076.

It is an arithmetic number, because the mean of its divisors is an integer number (313080768).

Almost surely, 2^4002630401 is an apocalyptic number.

It is an amenable number.

4002630401 is a deficient number, since it is larger than the sum of its proper divisors (1006661887).

4002630401 is a wasteful number, since it uses less digits than its factorization.

4002630401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197932.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 4002630401 is about 63266.3449315669. The cubic root of 4002630401 is about 1587.7489341664.

Adding to 4002630401 its reverse (1040362004), we get a palindrome (5042992405).

The spelling of 4002630401 in words is "four billion, two million, six hundred thirty thousand, four hundred one".