2628062644 has 12 divisors (see below), whose sum is σ = 4599679168. Its totient is φ = 1313868600.

The previous prime is 2628062579. The next prime is 2628062651. The reversal of 2628062644 is 4462608262.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2628062597 and 2628062606.

It is a congruent number.

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, 229 + ... + 72499.

Almost surely, 2^2628062644 is an apocalyptic number.

It is an amenable number.

2628062644 is a deficient number, since it is larger than the sum of its proper divisors (1971616524).

2628062644 is a wasteful number, since it uses less digits than its factorization.

2628062644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81366 (or 81364 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 40.

The square root of 2628062644 is about 51264.6334620662. The cubic root of 2628062644 is about 1379.9983623869.

The spelling of 2628062644 in words is "two billion, six hundred twenty-eight million, sixty-two thousand, six hundred forty-four".