2378028442 has 8 divisors (see below), whose sum is σ = 3776868756. Its totient is φ = 1119072192.

The previous prime is 2378028437. The next prime is 2378028451. The reversal of 2378028442 is 2448208732.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1820643561 + 557384881 = 42669^2 + 23609^2 .

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 = 2378028395 and 2378028404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34970973 + ... + 34971040.

Almost surely, 2^2378028442 is an apocalyptic number.

2378028442 is a deficient number, since it is larger than the sum of its proper divisors (1398840314).

2378028442 is a wasteful number, since it uses less digits than its factorization.

2378028442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69942032.

The product of its (nonzero) digits is 172032, while the sum is 40.

The square root of 2378028442 is about 48765.0329847115. The cubic root of 2378028442 is about 1334.7676782017.

The spelling of 2378028442 in words is "two billion, three hundred seventy-eight million, twenty-eight thousand, four hundred forty-two".