995447928940 has 96 divisors (see below), whose sum is σ = 2209349882880. Its totient is φ = 375701658624.

The previous prime is 995447928929. The next prime is 995447928941. The reversal of 995447928940 is 49829744599.

It is a self number, because there is not a number n which added to its sum of digits gives 995447928940.

It is not an unprimeable number, because it can be changed into a prime (995447928941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128823357 + ... + 128831083.

It is an arithmetic number, because the mean of its divisors is an integer number (23014061280).

Almost surely, 2^995447928940 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 995447928940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1104674941440).

995447928940 is an abundant number, since it is smaller than the sum of its proper divisors (1213901953940).

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

995447928940 is a wasteful number, since it uses less digits than its factorization.

995447928940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9079 (or 9077 counting only the distinct ones).

The product of its (nonzero) digits is 235146240, while the sum is 70.

The spelling of 995447928940 in words is "nine hundred ninety-five billion, four hundred forty-seven million, nine hundred twenty-eight thousand, nine hundred forty".