1920845548 has 12 divisors (see below), whose sum is σ = 3361827280. Its totient is φ = 960323472.

The previous prime is 1920845543. The next prime is 1920845567. The reversal of 1920845548 is 8455480291.

It is a hoax number, since the sum of its digits (46) 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 = 1920845498 and 1920845507.

It is not an unprimeable number, because it can be changed into a prime (1920845543) by changing a digit.

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, 34390 + ... + 70882.

Almost surely, 2^1920845548 is an apocalyptic number.

It is an amenable number.

1920845548 is a deficient number, since it is larger than the sum of its proper divisors (1440981732).

1920845548 is a wasteful number, since it uses less digits than its factorization.

1920845548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49656 (or 49654 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 46.

The square root of 1920845548 is about 43827.4519907329. The cubic root of 1920845548 is about 1243.0754279819.

The spelling of 1920845548 in words is "one billion, nine hundred twenty million, eight hundred forty-five thousand, five hundred forty-eight".