2630401636 has 24 divisors (see below), whose sum is σ = 4903186176. Its totient is φ = 1230418560.

The previous prime is 2630401603. The next prime is 2630401643. The reversal of 2630401636 is 6361040362.

2630401636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2630401598 and 2630401607.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104460 + ... + 127171.

It is an arithmetic number, because the mean of its divisors is an integer number (204299424).

Almost surely, 2^2630401636 is an apocalyptic number.

It is an amenable number.

2630401636 is a deficient number, since it is larger than the sum of its proper divisors (2272784540).

2630401636 is a wasteful number, since it uses less digits than its factorization.

2630401636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231819 (or 231817 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 2630401636 is about 51287.4413087649. The cubic root of 2630401636 is about 1380.4076433480.

Adding to 2630401636 its reverse (6361040362), we get a palindrome (8991441998).

The spelling of 2630401636 in words is "two billion, six hundred thirty million, four hundred one thousand, six hundred thirty-six".