2442128386 has 8 divisors (see below), whose sum is σ = 3663929340. Its totient is φ = 1220818608.

The previous prime is 2442128371. The next prime is 2442128393. The reversal of 2442128386 is 6838212442.

It can be written as a sum of positive squares in 2 ways, for example, as 1980695025 + 461433361 = 44505^2 + 21481^2 .

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

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, 110101 + ... + 130408.

Almost surely, 2^2442128386 is an apocalyptic number.

2442128386 is a deficient number, since it is larger than the sum of its proper divisors (1221800954).

2442128386 is a wasteful number, since it uses less digits than its factorization.

2442128386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245588.

The product of its digits is 147456, while the sum is 40.

The square root of 2442128386 is about 49417.8954023742. The cubic root of 2442128386 is about 1346.6544293429.

The spelling of 2442128386 in words is "two billion, four hundred forty-two million, one hundred twenty-eight thousand, three hundred eighty-six".