1628278245848 has 32 divisors (see below), whose sum is σ = 3070809115920. Its totient is φ = 809398512000.

The previous prime is 1628278245787. The next prime is 1628278245871. The reversal of 1628278245848 is 8485428728261.

It is a congruent number.

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, 4714418 + ... + 5047998.

Almost surely, 2^{1628278245848} is an apocalyptic number.

It is an amenable number.

1628278245848 is a deficient number, since it is larger than the sum of its proper divisors (1442530870072).

1628278245848 is a wasteful number, since it uses less digits than its factorization.

1628278245848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337139 (or 337135 counting only the distinct ones).

The product of its digits is 110100480, while the sum is 65.

The spelling of 1628278245848 in words is "one trillion, six hundred twenty-eight billion, two hundred seventy-eight million, two hundred forty-five thousand, eight hundred forty-eight".