19120042402 has 8 divisors (see below), whose sum is σ = 28785894912. Its totient is φ = 9524744100.

The previous prime is 19120042373. The next prime is 19120042423. The reversal of 19120042402 is 20424002191.

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, 17637874 + ... + 17638957.

It is an arithmetic number, because the mean of its divisors is an integer number (3598236864).

Almost surely, 2^19120042402 is an apocalyptic number.

19120042402 is a deficient number, since it is larger than the sum of its proper divisors (9665852510).

19120042402 is a wasteful number, since it uses less digits than its factorization.

19120042402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35277104.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 19120042402 its reverse (20424002191), we get a palindrome (39544044593).

The spelling of 19120042402 in words is "nineteen billion, one hundred twenty million, forty-two thousand, four hundred two".