4025630634 has 32 divisors (see below), whose sum is σ = 8542475136. Its totient is φ = 1260334080.

The previous prime is 4025630611. The next prime is 4025630639. The reversal of 4025630634 is 4360365204.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4025630595 and 4025630604.

It is not an unprimeable number, because it can be changed into a prime (4025630639) 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, 9154 + ... + 90194.

It is an arithmetic number, because the mean of its divisors is an integer number (266952348).

Almost surely, 2^4025630634 is an apocalyptic number.

4025630634 is an abundant number, since it is smaller than the sum of its proper divisors (4516844502).

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

4025630634 is a wasteful number, since it uses less digits than its factorization.

4025630634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81550.

The product of its (nonzero) digits is 51840, while the sum is 33.

The square root of 4025630634 is about 63447.8575997645. The cubic root of 4025630634 is about 1590.7843438466.

Adding to 4025630634 its reverse (4360365204), we get a palindrome (8385995838).

The spelling of 4025630634 in words is "four billion, twenty-five million, six hundred thirty thousand, six hundred thirty-four".