945898831920 has 320 divisors, whose sum is σ = 3549563099136. Its totient is φ = 203415797760.

The previous prime is 945898831859. The next prime is 945898831951. The reversal of 945898831920 is 29138898549.

It is a happy number.

945898831920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 139283725 + ... + 139290515.

Almost surely, 2^945898831920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 945898831920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1774781549568).

945898831920 is an abundant number, since it is smaller than the sum of its proper divisors (2603664267216).

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

945898831920 is a wasteful number, since it uses less digits than its factorization.

945898831920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11708 (or 11702 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 66.

The spelling of 945898831920 in words is "nine hundred forty-five billion, eight hundred ninety-eight million, eight hundred thirty-one thousand, nine hundred twenty".