1625002928144 has 20 divisors (see below), whose sum is σ = 3160693932924. Its totient is φ = 809339977728.

The previous prime is 1625002928137. The next prime is 1625002928191. The reversal of 1625002928144 is 4418292005261.

It can be written as a sum of positive squares in 2 ways, for example, as 1234987690000 + 390015238144 = 1111300^2 + 624512^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1625002928095 and 1625002928104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197588657 + ... + 197596880.

Almost surely, 2^{1625002928144} is an apocalyptic number.

It is an amenable number.

1625002928144 is a deficient number, since it is larger than the sum of its proper divisors (1535691004780).

1625002928144 is a wasteful number, since it uses less digits than its factorization.

1625002928144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395185802 (or 395185796 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The spelling of 1625002928144 in words is "one trillion, six hundred twenty-five billion, two million, nine hundred twenty-eight thousand, one hundred forty-four".