1967860042 has 8 divisors (see below), whose sum is σ = 2954575332. Its totient is φ = 983001600.

The previous prime is 1967860009. The next prime is 1967860079. The reversal of 1967860042 is 2400687691.

It can be written as a sum of positive squares in 2 ways, for example, as 1821667761 + 146192281 = 42681^2 + 12091^2 .

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, 461559 + ... + 465802.

Almost surely, 2^1967860042 is an apocalyptic number.

1967860042 is a deficient number, since it is larger than the sum of its proper divisors (986715290).

1967860042 is a wasteful number, since it uses less digits than its factorization.

1967860042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928424.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 1967860042 is about 44360.5685491068. The cubic root of 1967860042 is about 1253.1356034426.

The spelling of 1967860042 in words is "one billion, nine hundred sixty-seven million, eight hundred sixty thousand, forty-two".