1945918496 has 48 divisors (see below), whose sum is σ = 4010840064. Its totient is φ = 927573504.

The previous prime is 1945918493. The next prime is 1945918529. The reversal of 1945918496 is 6948195491.

It is not an unprimeable number, because it can be changed into a prime (1945918493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226145 + ... + 234591.

It is an arithmetic number, because the mean of its divisors is an integer number (83559168).

Almost surely, 2^1945918496 is an apocalyptic number.

1945918496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1945918496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2005420032).

1945918496 is an abundant number, since it is smaller than the sum of its proper divisors (2064921568).

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

1945918496 is a wasteful number, since it uses less digits than its factorization.

1945918496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8793 (or 8785 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 56.

The square root of 1945918496 is about 44112.5661915060. The cubic root of 1945918496 is about 1248.4607177462.

The spelling of 1945918496 in words is "one billion, nine hundred forty-five million, nine hundred eighteen thousand, four hundred ninety-six".