8440124234 has 4 divisors (see below), whose sum is σ = 12660186354. Its totient is φ = 4220062116.

The previous prime is 8440124233. The next prime is 8440124261. The reversal of 8440124234 is 4324210448.

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

It can be written as a sum of positive squares in only one way, i.e., 8436973609 + 3150625 = 91853^2 + 1775^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8440124234.

It is not an unprimeable number, because it can be changed into a prime (8440124233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110031057 + ... + 2110031060.

Almost surely, 2^8440124234 is an apocalyptic number.

8440124234 is a deficient number, since it is larger than the sum of its proper divisors (4220062120).

8440124234 is a wasteful number, since it uses less digits than its factorization.

8440124234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4220062119.

The product of its (nonzero) digits is 24576, while the sum is 32.

The square root of 8440124234 is about 91870.1487644382. The cubic root of 8440124234 is about 2036.0242503316.

The spelling of 8440124234 in words is "eight billion, four hundred forty million, one hundred twenty-four thousand, two hundred thirty-four".