42361615778 has 8 divisors (see below), whose sum is σ = 64894390272. Its totient is φ = 20730152356.

The previous prime is 42361615739. The next prime is 42361615787. The reversal of 42361615778 is 87751616324.

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, 225327650 + ... + 225327837.

It is an arithmetic number, because the mean of its divisors is an integer number (8111798784).

Almost surely, 2^42361615778 is an apocalyptic number.

42361615778 is a deficient number, since it is larger than the sum of its proper divisors (22532774494).

42361615778 is a wasteful number, since it uses less digits than its factorization.

42361615778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450655536.

The product of its digits is 1693440, while the sum is 50.

The spelling of 42361615778 in words is "forty-two billion, three hundred sixty-one million, six hundred fifteen thousand, seven hundred seventy-eight".