1945442528 has 24 divisors (see below), whose sum is σ = 4031674920. Its totient is φ = 921525120.

The previous prime is 1945442491. The next prime is 1945442531. The reversal of 1945442528 is 8252445491.

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, 1599263 + ... + 1600478.

It is an arithmetic number, because the mean of its divisors is an integer number (167986455).

Almost surely, 2^1945442528 is an apocalyptic number.

It is an amenable number.

1945442528 is an abundant number, since it is smaller than the sum of its proper divisors (2086232392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1945442528 is a wasteful number, since it uses less digits than its factorization.

1945442528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3199770 (or 3199762 counting only the distinct ones).

The product of its digits is 460800, while the sum is 44.

The square root of 1945442528 is about 44107.1709362548. The cubic root of 1945442528 is about 1248.3589190656.

The spelling of 1945442528 in words is "one billion, nine hundred forty-five million, four hundred forty-two thousand, five hundred twenty-eight".