1995246240 has 192 divisors, whose sum is σ = 7125148800. Its totient is φ = 465260544.

The previous prime is 1995246223. The next prime is 1995246241. The reversal of 1995246240 is 426425991.

It is a junction number, because it is equal to n+sod(n) for n = 1995246192 and 1995246201.

It is not an unprimeable number, because it can be changed into a prime (1995246241) 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, 110146 + ... + 126974.

It is an arithmetic number, because the mean of its divisors is an integer number (37110150).

Almost surely, 2^1995246240 is an apocalyptic number.

1995246240 is a gapful number since it is divisible by the number (10) 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 1995246240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3562574400).

1995246240 is an abundant number, since it is smaller than the sum of its proper divisors (5129902560).

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

1995246240 is a wasteful number, since it uses less digits than its factorization.

1995246240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16879 (or 16871 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 1995246240 is about 44668.1792778707. The cubic root of 1995246240 is about 1258.9220309119.

The spelling of 1995246240 in words is "one billion, nine hundred ninety-five million, two hundred forty-six thousand, two hundred forty".