4013520244 has 6 divisors (see below), whose sum is σ = 7023660434. Its totient is φ = 2006760120.

The previous prime is 4013520223. The next prime is 4013520289. The reversal of 4013520244 is 4420253104.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2834284644 + 1179235600 = 53238^2 + 34340^2 .

It is a super-2 number, since 2×4013520244² = 32216689497995639072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501690027 + ... + 501690034.

Almost surely, 2^4013520244 is an apocalyptic number.

It is an amenable number.

4013520244 is a deficient number, since it is larger than the sum of its proper divisors (3010140190).

4013520244 is a wasteful number, since it uses less digits than its factorization.

4013520244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003380065 (or 1003380063 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 4013520244 is about 63352.3499485220. The cubic root of 4013520244 is about 1589.1875447883.

Adding to 4013520244 its reverse (4420253104), we get a palindrome (8433773348).

The spelling of 4013520244 in words is "four billion, thirteen million, five hundred twenty thousand, two hundred forty-four".