42678298450 has 12 divisors (see below), whose sum is σ = 79381635210. Its totient is φ = 17071319360.

The previous prime is 42678298433. The next prime is 42678298451. The reversal of 42678298450 is 5489287624.

It can be written as a sum of positive squares in 3 ways, for example, as 25045911081 + 17632387369 = 158259^2 + 132787^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42678298391 and 42678298400.

It is not an unprimeable number, because it can be changed into a prime (42678298451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 426782935 + ... + 426783034.

Almost surely, 2^42678298450 is an apocalyptic number.

42678298450 is a deficient number, since it is larger than the sum of its proper divisors (36703336760).

42678298450 is a wasteful number, since it uses less digits than its factorization.

42678298450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853565981 (or 853565976 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 55.

The spelling of 42678298450 in words is "forty-two billion, six hundred seventy-eight million, two hundred ninety-eight thousand, four hundred fifty".