8340550438 has 32 divisors (see below), whose sum is σ = 14497380000. Its totient is φ = 3556700160.

The previous prime is 8340550433. The next prime is 8340550457.

8340550438 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 8340550438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8340550433) 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, 81438 + ... + 152686.

It is an arithmetic number, because the mean of its divisors is an integer number (453043125).

Almost surely, 2^8340550438 is an apocalyptic number.

8340550438 is a deficient number, since it is larger than the sum of its proper divisors (6156829562).

8340550438 is a wasteful number, since it uses less digits than its factorization.

8340550438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71592.

The product of its (nonzero) digits is 230400, while the sum is 40.

The square root of 8340550438 is about 91326.6140727882. The cubic root of 8340550438 is about 2027.9857748238.

The spelling of 8340550438 in words is "eight billion, three hundred forty million, five hundred fifty thousand, four hundred thirty-eight".