19038142440652 has 24 divisors (see below), whose sum is σ = 33355213258752. Its totient is φ = 9508087654800.

The previous prime is 19038142440649. The next prime is 19038142440673. The reversal of 19038142440652 is 25604424183091.

It is a junction number, because it is equal to n+sod(n) for n = 19038142440596 and 19038142440605.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11654763 + ... + 13187485.

It is an arithmetic number, because the mean of its divisors is an integer number (1389800552448).

Almost surely, 2^{19038142440652} is an apocalyptic number.

It is an amenable number.

19038142440652 is a deficient number, since it is larger than the sum of its proper divisors (14317070818100).

19038142440652 is a wasteful number, since it uses less digits than its factorization.

19038142440652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536309 (or 1536307 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 49.

The spelling of 19038142440652 in words is "nineteen trillion, thirty-eight billion, one hundred forty-two million, four hundred forty thousand, six hundred fifty-two".