1028796408500 has 48 divisors (see below), whose sum is σ = 2567875844352. Its totient is φ = 352730196000.

The previous prime is 1028796408461. The next prime is 1028796408511. The reversal of 1028796408500 is 58046978201.

1028796408500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146967416 + ... + 146974415.

It is an arithmetic number, because the mean of its divisors is an integer number (53497413424).

Almost surely, 2^{1028796408500} is an apocalyptic number.

1028796408500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1028796408500 is an abundant number, since it is smaller than the sum of its proper divisors (1539079435852).

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

1028796408500 is a wasteful number, since it uses less digits than its factorization.

1028796408500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293941857 (or 293941845 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 50.

The spelling of 1028796408500 in words is "one trillion, twenty-eight billion, seven hundred ninety-six million, four hundred eight thousand, five hundred".