1928042397544 has 16 divisors (see below), whose sum is σ = 3772256865120. Its totient is φ = 922107233520.

The previous prime is 1928042397529. The next prime is 1928042397557. The reversal of 1928042397544 is 4457932408291.

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, 5239245462 + ... + 5239245829.

It is an arithmetic number, because the mean of its divisors is an integer number (235766054070).

Almost surely, 2^{1928042397544} is an apocalyptic number.

It is an amenable number.

1928042397544 is a deficient number, since it is larger than the sum of its proper divisors (1844214467576).

1928042397544 is a wasteful number, since it uses less digits than its factorization.

1928042397544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10478491320 (or 10478491316 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 58.

The spelling of 1928042397544 in words is "one trillion, nine hundred twenty-eight billion, forty-two million, three hundred ninety-seven thousand, five hundred forty-four".