1995796530 has 256 divisors, whose sum is σ = 6778598400. Its totient is φ = 406425600.

The previous prime is 1995796493. The next prime is 1995796541. The reversal of 1995796530 is 356975991.

1995796530 is a `hidden beast` number, since 1 + 9 + 9 + 579 + 65 + 3 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 711130 + ... + 713930.

It is an arithmetic number, because the mean of its divisors is an integer number (26478900).

Almost surely, 2^1995796530 is an apocalyptic number.

1995796530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1995796530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3389299200).

1995796530 is an abundant number, since it is smaller than the sum of its proper divisors (4782801870).

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

1995796530 is a wasteful number, since it uses less digits than its factorization.

1995796530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2866 (or 2860 counting only the distinct ones).

The product of its (nonzero) digits is 2296350, while the sum is 54.

The square root of 1995796530 is about 44674.3386073034. The cubic root of 1995796530 is about 1259.0377574007.

The spelling of 1995796530 in words is "one billion, nine hundred ninety-five million, seven hundred ninety-six thousand, five hundred thirty".