1945611448 has 16 divisors (see below), whose sum is σ = 3979659960. Its totient is φ = 884368800.

The previous prime is 1945611413. The next prime is 1945611449. The reversal of 1945611448 is 8441165491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1945611449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11054523 + ... + 11054698.

Almost surely, 2^1945611448 is an apocalyptic number.

It is an amenable number.

1945611448 is an abundant number, since it is smaller than the sum of its proper divisors (2034048512).

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

1945611448 is a wasteful number, since it uses less digits than its factorization.

1945611448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22109238 (or 22109234 counting only the distinct ones).

The product of its digits is 138240, while the sum is 43.

The square root of 1945611448 is about 44109.0857760621. The cubic root of 1945611448 is about 1248.3950490947.

The spelling of 1945611448 in words is "one billion, nine hundred forty-five million, six hundred eleven thousand, four hundred forty-eight".