9995400528 has 80 divisors (see below), whose sum is σ = 27213645120. Its totient is φ = 3152590848.

The previous prime is 9995400523. The next prime is 9995400553. The reversal of 9995400528 is 8250045999.

It is a Cunningham number, because it is equal to 99977²-1.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9995400523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 793576 + ... + 806072.

It is an arithmetic number, because the mean of its divisors is an integer number (340170564).

Almost surely, 2^9995400528 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 9995400528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13606822560).

9995400528 is an abundant number, since it is smaller than the sum of its proper divisors (17218244592).

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

9995400528 is a wasteful number, since it uses less digits than its factorization.

9995400528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13404 (or 13398 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 51.

The square root of 9995400528 is about 99976.9999949988. Note that the first 5 decimals coincide. The cubic root of 9995400528 is about 2154.1043306430.

The spelling of 9995400528 in words is "nine billion, nine hundred ninety-five million, four hundred thousand, five hundred twenty-eight".