1920448546 has 16 divisors (see below), whose sum is σ = 2917918080. Its totient is φ = 947874960.

The previous prime is 1920448501. The next prime is 1920448561. The reversal of 1920448546 is 6458440291.

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, 42825 + ... + 75331.

It is an arithmetic number, because the mean of its divisors is an integer number (182369880).

Almost surely, 2^1920448546 is an apocalyptic number.

1920448546 is a deficient number, since it is larger than the sum of its proper divisors (997469534).

1920448546 is a wasteful number, since it uses less digits than its factorization.

1920448546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32889.

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 1920448546 is about 43822.9226090639. The cubic root of 1920448546 is about 1242.9897821171.

The spelling of 1920448546 in words is "one billion, nine hundred twenty million, four hundred forty-eight thousand, five hundred forty-six".