5438811236 has 12 divisors (see below), whose sum is σ = 9720428928. Its totient is φ = 2661545832.

The previous prime is 5438811227. The next prime is 5438811277. The reversal of 5438811236 is 6321188345.

It is a junction number, because it is equal to n+sod(n) for n = 5438811193 and 5438811202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14464736 + ... + 14465111.

It is an arithmetic number, because the mean of its divisors is an integer number (810035744).

Almost surely, 2^5438811236 is an apocalyptic number.

It is an amenable number.

5438811236 is a deficient number, since it is larger than the sum of its proper divisors (4281617692).

5438811236 is a wasteful number, since it uses less digits than its factorization.

5438811236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28929898 (or 28929896 counting only the distinct ones).

The product of its digits is 138240, while the sum is 41.

The square root of 5438811236 is about 73748.2964955802. The cubic root of 5438811236 is about 1758.6037518633.

The spelling of 5438811236 in words is "five billion, four hundred thirty-eight million, eight hundred eleven thousand, two hundred thirty-six".