5408140838 has 4 divisors (see below), whose sum is σ = 8112211260. Its totient is φ = 2704070418.

The previous prime is 5408140817. The next prime is 5408140847. The reversal of 5408140838 is 8380418045.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 5408140795 and 5408140804.

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, 1352035208 + ... + 1352035211.

It is an arithmetic number, because the mean of its divisors is an integer number (2028052815).

Almost surely, 2^5408140838 is an apocalyptic number.

5408140838 is a deficient number, since it is larger than the sum of its proper divisors (2704070422).

5408140838 is a wasteful number, since it uses less digits than its factorization.

5408140838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2704070421.

The product of its (nonzero) digits is 122880, while the sum is 41.

The square root of 5408140838 is about 73540.0628093286. The cubic root of 5408140838 is about 1755.2918282144.

The spelling of 5408140838 in words is "five billion, four hundred eight million, one hundred forty thousand, eight hundred thirty-eight".