1628310948044 has 12 divisors (see below), whose sum is σ = 3108593628168. Its totient is φ = 740141340000.

The previous prime is 1628310947999. The next prime is 1628310948091. The reversal of 1628310948044 is 4408490138261.

It is a junction number, because it is equal to n+sod(n) for n = 1628310947983 and 1628310948001.

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, 18503533457 + ... + 18503533544.

It is an arithmetic number, because the mean of its divisors is an integer number (259049469014).

Almost surely, 2^{1628310948044} is an apocalyptic number.

It is an amenable number.

1628310948044 is a deficient number, since it is larger than the sum of its proper divisors (1480282680124).

1628310948044 is a wasteful number, since it uses less digits than its factorization.

1628310948044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37007067016 (or 37007067014 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 50.

The spelling of 1628310948044 in words is "one trillion, six hundred twenty-eight billion, three hundred ten million, nine hundred forty-eight thousand, forty-four".