4045030631 has 12 divisors (see below), whose sum is σ = 4454755632. Its totient is φ = 3665512224.

The previous prime is 4045030621. The next prime is 4045030637. The reversal of 4045030631 is 1360305404.

4045030631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4045030631 - 2¹⁰ = 4045029607 is a prime.

It is a super-2 number, since 2×4045030631² = 32724545611456516322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4045030631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4045030637) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 235286 + ... + 251891.

It is an arithmetic number, because the mean of its divisors is an integer number (371229636).

Almost surely, 2^4045030631 is an apocalyptic number.

4045030631 is a deficient number, since it is larger than the sum of its proper divisors (409725001).

4045030631 is a wasteful number, since it uses less digits than its factorization.

4045030631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487238 (or 487219 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 4045030631 is about 63600.5552727333. Note that the first 3 decimals coincide. The cubic root of 4045030631 is about 1593.3356434212.

The spelling of 4045030631 in words is "four billion, forty-five million, thirty thousand, six hundred thirty-one".