4128440342 has 8 divisors (see below), whose sum is σ = 6669019056. Its totient is φ = 1905433992.

The previous prime is 4128440339. The next prime is 4128440357. The reversal of 4128440342 is 2430448214.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 4128440299 and 4128440308.

It is a congruent number.

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, 79393058 + ... + 79393109.

It is an arithmetic number, because the mean of its divisors is an integer number (833627382).

Almost surely, 2^4128440342 is an apocalyptic number.

4128440342 is a deficient number, since it is larger than the sum of its proper divisors (2540578714).

4128440342 is a wasteful number, since it uses less digits than its factorization.

4128440342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158786182.

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

The square root of 4128440342 is about 64252.9403373885. The cubic root of 4128440342 is about 1604.2129002980.

Adding to 4128440342 its reverse (2430448214), we get a palindrome (6558888556).

The spelling of 4128440342 in words is "four billion, one hundred twenty-eight million, four hundred forty thousand, three hundred forty-two".