1028376097544 has 8 divisors (see below), whose sum is σ = 1928205182910. Its totient is φ = 514188048768.

The previous prime is 1028376097499. The next prime is 1028376097559. The reversal of 1028376097544 is 4457906738201.

It can be written as a sum of positive squares in only one way, i.e., 1024771536100 + 3604561444 = 1012310^2 + 60038^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1028376097544.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64273506089 + ... + 64273506104.

It is a 1-persistent number, because it is pandigital, but 2⋅1028376097544 = 2056752195088 is not.

Almost surely, 2^{1028376097544} is an apocalyptic number.

It is an amenable number.

1028376097544 is a deficient number, since it is larger than the sum of its proper divisors (899829085366).

1028376097544 is a wasteful number, since it uses less digits than its factorization.

1028376097544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128547012199 (or 128547012195 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 56.

The spelling of 1028376097544 in words is "one trillion, twenty-eight billion, three hundred seventy-six million, ninety-seven thousand, five hundred forty-four".