19144230814302 has 64 divisors (see below), whose sum is σ = 42667666513920. Its totient is φ = 5677381202400.

The previous prime is 19144230814301. The next prime is 19144230814349. The reversal of 19144230814302 is 20341803244191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19144230814301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10154824 + ... + 11891547.

It is an arithmetic number, because the mean of its divisors is an integer number (666682289280).

Almost surely, 2^{19144230814302} is an apocalyptic number.

19144230814302 is an abundant number, since it is smaller than the sum of its proper divisors (23523435699618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19144230814302 is a wasteful number, since it uses less digits than its factorization.

19144230814302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22046669.

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 19144230814302 in words is "nineteen trillion, one hundred forty-four billion, two hundred thirty million, eight hundred fourteen thousand, three hundred two".